{"product_id":"ugreen-aux-to-bluetooth-6-0-car-adapter-with-ldac-3-5mm-aux-adapter-for-car-built-in-microphone-car-bluetooth-audio-receiver-for-hands-free-calls-compatible-with-car-speaker-home-audio-85428","title":"UGREEN 85428 BT525 Bluetooth 6.0 LDAC Car Receiver","description":"\u003cdiv class=\"ug-wireless-audio-guide\" style=\"max-width:1200px;margin:0 auto;background:#fff;color:#263b32;font-family:Arial,Helvetica,sans-serif;line-height:1.64;overflow:hidden;\"\u003e\n\u003csection class=\"ug-section\" style=\"padding:clamp(28px,5vw,52px);background:linear-gradient(135deg,#f5fbf7 0%,#e5f6ec 52%,#d8f0e2 100%);border-top:5px solid #0c8a4b;border-bottom:1px solid #cfe4d6;\"\u003e\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:30px;align-items:center;\"\u003e\n\u003cdiv\u003e\n\u003cspan style=\"display:inline-block;padding:7px 12px;border-radius:999px;background:#0c8a4b;color:#fff;font-size:.84rem;font-weight:800;\"\u003eBT525 • USB-POWERED • LDAC CAR AUDIO\u003c\/span\u003e\u003ch1 style=\"margin:14px 0 10px;color:#123b2b;font-size:clamp(1.8rem,4vw,3rem);line-height:1.13;\"\u003eUGREEN 85428 BT525 Bluetooth 6.0 LDAC Car Receiver\u003c\/h1\u003e\n\u003ch2 style=\"margin:18px 0 8px;color:#087642;font-size:1.35rem;\"\u003eOverview\u003c\/h2\u003e\n\n\u003cdiv style=\"margin-top:18px;\"\u003e\n\u003cspan style=\"display:inline-block;margin:4px 7px 4px 0;padding:7px 11px;border-radius:999px;background:#fff;border:1px solid #a8d8bd;color:#0c7542;font-weight:800;\"\u003eBluetooth 6.0\u003c\/span\u003e\u003cspan style=\"display:inline-block;margin:4px 7px 4px 0;padding:7px 11px;border-radius:999px;background:#fff;border:1px solid #a8d8bd;color:#0c7542;font-weight:800;\"\u003eSKU 85428\u003c\/span\u003e\u003cspan style=\"display:inline-block;margin:4px 7px 4px 0;padding:7px 11px;border-radius:999px;background:#fff;border:1px solid #a8d8bd;color:#0c7542;font-weight:800;\"\u003eBT525\u003c\/span\u003e\u003cspan style=\"display:inline-block;margin:4px 7px 4px 0;padding:7px 11px;border-radius:999px;background:#fff;border:1px solid #a8d8bd;color:#0c7542;font-weight:800;\"\u003eReceiver only\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cfigure style=\"margin:18px 0 0;border:1px solid #d5e8dd;border-radius:18px;background:#fff;overflow:hidden;box-shadow:0 10px 26px rgba(12,117,66,.10);\"\u003e\u003cimg loading=\"eager\" fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0581\/3780\/4899\/files\/85428_01.jpg?v=1783661386\" alt=\"UGREEN 85428 UGREEN BT525 USB-powered AUX receiver product view\" style=\"display:block;width:100%;height:auto;max-height:760px;object-fit:contain;background:#fff;\"\u003e\u003cfigcaption style=\"padding:11px 14px;border-top:1px solid #dce9e1;background:#f3f8f5;color:#52655b;font-size:.86rem;\"\u003eUGREEN BT525 USB-powered AUX receiver product view\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"ug-section\" style=\"padding:32px 28px;margin:0;background:#fff;border-top:1px solid #dcebe2;box-shadow:inset 5px 0 0 #c9e8d5;\"\u003e\u003ch2 style=\"margin:0 0 15px;color:#087642;font-size:clamp(1.35rem,2.5vw,1.8rem);line-height:1.25;\"\u003eKey features\u003c\/h2\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,225px),1fr));gap:14px;\"\u003e\n\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eRole\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003ea USB-powered Bluetooth 6.0 AUX receiver with a built-in microphone for adding wireless music, navigation prompts and hands-free calls to a compatible car or wired speaker system.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eAudio path\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eA phone, tablet or computer sends Bluetooth audio to BT525. Its integrated 3.5mm plug feeds an AUX input while USB-A supplies power. It does not send wired TV or airplane audio to Bluetooth headphones.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eCodec boundary\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eLDAC, AAC and SBC are listed in the UGREEN manual. LDAC requires a compatible source and correct codec settings; iPhone uses AAC or SBC. aptX is not claimed.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003ePower design\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eThere is no internal runtime to manage. Both the USB-A power lead and 3.5mm audio plug must remain connected during use. USB-A provides operating power; it is not a charging\/data link to the stereo. The 3.5mm plug carries analogue audio.\u003c\/p\u003e\u003c\/article\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"ug-section\" style=\"padding:32px 28px;margin:0;background:#f6f9f7;border-top:1px solid #dcebe2;box-shadow:inset 5px 0 0 #168346;\"\u003e\u003ch2 style=\"margin:0 0 15px;color:#087642;font-size:clamp(1.35rem,2.5vw,1.8rem);line-height:1.25;\"\u003eAudio direction and connector roles\u003c\/h2\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,290px),1fr));gap:25px;align-items:center;\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"margin:0 0 13px;\"\u003eA phone, tablet or computer sends Bluetooth audio to BT525. Its integrated 3.5mm plug feeds an AUX input while USB-A supplies power. It does not send wired TV or airplane audio to Bluetooth headphones.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 13px;\"\u003e\u003cstrong\u003eConnector rule:\u003c\/strong\u003e a source\/output must feed a destination\/input. USB power, USB host data, analogue AUX and Bluetooth radio roles are separate even when one enclosure handles several of them.\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eStart safely:\u003c\/strong\u003e set the correct mode, select the target input and lower every volume control before testing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure style=\"margin:18px 0 0;border:1px solid #d5e8dd;border-radius:18px;background:#fff;overflow:hidden;box-shadow:0 10px 26px rgba(12,117,66,.10);\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0581\/3780\/4899\/files\/85428_05.jpg?v=1783661386\" alt=\"UGREEN 85428 Source and 3.5mm destination compatibility map\" style=\"display:block;width:100%;height:auto;max-height:760px;object-fit:contain;background:#fff;\"\u003e\u003cfigcaption style=\"padding:11px 14px;border-top:1px solid #dce9e1;background:#f3f8f5;color:#52655b;font-size:.86rem;\"\u003eSource and 3.5mm destination compatibility map\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"ug-section\" style=\"padding:32px 28px;margin:0;background:#fff;border-top:1px solid #dcebe2;box-shadow:inset 5px 0 0 #c9e8d5;\"\u003e\u003ch2 style=\"margin:0 0 15px;color:#087642;font-size:clamp(1.35rem,2.5vw,1.8rem);line-height:1.25;\"\u003eSound, codecs, calls and latency\u003c\/h2\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,235px),1fr));gap:14px;\"\u003e\n\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eCodecs\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eLDAC, AAC and SBC are listed in the UGREEN manual. LDAC requires a compatible source and correct codec settings; iPhone uses AAC or SBC. aptX is not claimed.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eLatency\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eNo low-latency value is published. Bluetooth 6.0 is not by itself a guarantee of lip-sync or gaming performance.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eMicrophone and calls\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eA built-in microphone supports hands-free calls on a paired phone. Place the mic where voice pickup is clear; road noise, vents, windows and phone network quality still matter.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eReal-world fidelity\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eSource file, negotiated codec, radio conditions, analogue cable, amplifier and speakers\/headphones all affect the result. A newer Bluetooth number is not automatically higher sound quality.\u003c\/p\u003e\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cfigure style=\"margin:18px 0 0;border:1px solid #d5e8dd;border-radius:18px;background:#fff;overflow:hidden;box-shadow:0 10px 26px rgba(12,117,66,.10);\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0581\/3780\/4899\/files\/85428_02.jpg?v=1783661386\" alt=\"UGREEN 85428 LDAC sound-quality artwork\" style=\"display:block;width:100%;height:auto;max-height:760px;object-fit:contain;background:#fff;\"\u003e\u003c\/figure\u003e\u003c\/section\u003e\u003csection class=\"ug-section\" style=\"padding:32px 28px;margin:0;background:#f6f9f7;border-top:1px solid #dcebe2;box-shadow:inset 5px 0 0 #168346;\"\u003e\u003ch2 style=\"margin:0 0 15px;color:#087642;font-size:clamp(1.35rem,2.5vw,1.8rem);line-height:1.25;\"\u003eUse scenarios\u003c\/h2\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:14px;\"\u003e\n\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eScenario 1\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eUpgrading an older car that has AUX and USB power.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eScenario 2\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eLDAC music from a compatible Android phone.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eScenario 3\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eAAC\/SBC playback and navigation from other phones.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eScenario 4\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eHands-free calling with the microphone positioned away from vents.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eScenario 5\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eAdding Bluetooth reception to a powered home speaker near USB power.\u003c\/p\u003e\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cfigure style=\"margin:18px 0 0;border:1px solid #d5e8dd;border-radius:18px;background:#fff;overflow:hidden;box-shadow:0 10px 26px rgba(12,117,66,.10);\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0581\/3780\/4899\/files\/85428_08.jpg?v=1783661386\" alt=\"UGREEN 85428 Vehicle audio use scenario\" style=\"display:block;width:100%;height:auto;max-height:760px;object-fit:contain;background:#fff;\"\u003e\u003cfigcaption style=\"padding:11px 14px;border-top:1px solid #dce9e1;background:#f3f8f5;color:#52655b;font-size:.86rem;\"\u003eVehicle audio use scenario\u003c\/figcaption\u003e\u003c\/figure\u003e\u003c\/section\u003e\u003csection class=\"ug-section\" style=\"padding:32px 28px;margin:0;background:#fff;border-top:1px solid #dcebe2;box-shadow:inset 5px 0 0 #c9e8d5;\"\u003e\u003ch2 style=\"margin:0 0 15px;color:#087642;font-size:clamp(1.35rem,2.5vw,1.8rem);line-height:1.25;\"\u003eSetup and usability guidance\u003c\/h2\u003e\n\u003col style=\"margin:0;padding-left:22px;\"\u003e\n\u003cli style=\"margin:9px 0;\"\u003e\n\u003cstrong\u003eStep 1:\u003c\/strong\u003e Connect the 3.5mm plug to AUX input and USB-A to a suitable 5V USB source.\u003c\/li\u003e\n\u003cli style=\"margin:9px 0;\"\u003e\n\u003cstrong\u003eStep 2:\u003c\/strong\u003e Select AUX on the car stereo or speaker and lower its volume.\u003c\/li\u003e\n\u003cli style=\"margin:9px 0;\"\u003e\n\u003cstrong\u003eStep 3:\u003c\/strong\u003e Open Bluetooth settings on the source and choose the BT525\/UGREEN entry.\u003c\/li\u003e\n\u003cli style=\"margin:9px 0;\"\u003e\n\u003cstrong\u003eStep 4:\u003c\/strong\u003e Play a test track, then make a stationary test call to check microphone placement.\u003c\/li\u003e\n\u003cli style=\"margin:9px 0;\"\u003e\n\u003cstrong\u003eStep 5:\u003c\/strong\u003e Pair a second phone only after the first works reliably; pause one before playing the other.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp style=\"margin:16px 0;padding:15px 17px;background:#eef8f2;border-left:5px solid #0c8a4b;\"\u003e\u003cstrong\u003eUsability rule:\u003c\/strong\u003e establish one clean path first. Add a second source, listener, output or peripheral only after the first works reliably.\u003c\/p\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,245px),1fr));gap:14px;\"\u003e\n\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eControls\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eUse source-device controls for most playback and calling. Pair and position the adapter while parked, then keep adjustments minimal while driving.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eSecond-device behaviour\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eTwo phones can be connected. Treat this as convenient source switching, not two mixed audio streams; pause one source before using the other.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eRecovery\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eFor pairing problems, unplug USB power, forget BT525 on both phones, reconnect power and pair one phone within one metre. Re-add the second phone only after stable playback.\u003c\/p\u003e\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cfigure style=\"margin:18px 0 0;border:1px solid #d5e8dd;border-radius:18px;background:#fff;overflow:hidden;box-shadow:0 10px 26px rgba(12,117,66,.10);\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0581\/3780\/4899\/files\/85428_04.jpg?v=1783661386\" alt=\"UGREEN 85428 Two-source connection behaviour\" style=\"display:block;width:100%;height:auto;max-height:760px;object-fit:contain;background:#fff;\"\u003e\u003cfigcaption style=\"padding:11px 14px;border-top:1px solid #dce9e1;background:#f3f8f5;color:#52655b;font-size:.86rem;\"\u003eTwo-source connection behaviour\u003c\/figcaption\u003e\u003c\/figure\u003e\u003c\/section\u003e\u003csection class=\"ug-section\" style=\"padding:32px 28px;margin:0;background:#f6f9f7;border-top:1px solid #dcebe2;box-shadow:inset 5px 0 0 #168346;\"\u003e\u003ch2 style=\"margin:0 0 15px;color:#087642;font-size:clamp(1.35rem,2.5vw,1.8rem);line-height:1.25;\"\u003eCompatible devices and systems\u003c\/h2\u003e\n\u003cp style=\"margin:0 0 15px;\"\u003e\u003cstrong\u003eClass:\u003c\/strong\u003e Bluetooth music\/call sources including compatible phones and tablets; cars, powered speakers and amplifiers that provide both a 3.5mm AUX input and suitable USB-A power.\u003c\/p\u003e\n\u003cul style=\"margin:0;padding-left:22px;\"\u003e\n\u003cli style=\"margin:8px 0;\"\u003eMatch the operating-system\/audio profile and connector role, not only the Bluetooth logo.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003eConfirm whether you need programme audio, microphone return, peripheral data or file transfer; these use different profiles.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003eFor AUX\/RCA products, confirm the destination is a line-level input and already has its own amplifier.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003eFor PC adapters, verify driver requirements and disable a competing built-in Bluetooth radio.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003eFor two-way products, confirm that the chosen TX or RX mode matches the wired device.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cfigure style=\"margin:18px 0 0;border:1px solid #d5e8dd;border-radius:18px;background:#fff;overflow:hidden;box-shadow:0 10px 26px rgba(12,117,66,.10);\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0581\/3780\/4899\/files\/85428_06.jpg?v=1783661386\" alt=\"UGREEN 85428 USB-powered speaker use scenario\" style=\"display:block;width:100%;height:auto;max-height:760px;object-fit:contain;background:#fff;\"\u003e\u003cfigcaption style=\"padding:11px 14px;border-top:1px solid #dce9e1;background:#f3f8f5;color:#52655b;font-size:.86rem;\"\u003eUSB-powered speaker use scenario\u003c\/figcaption\u003e\u003c\/figure\u003e\u003c\/section\u003e\u003csection class=\"ug-section\" style=\"padding:32px 28px;margin:0;background:#fff;border-top:1px solid #dcebe2;box-shadow:inset 5px 0 0 #c9e8d5;\"\u003e\u003ch2 style=\"margin:0 0 15px;color:#087642;font-size:clamp(1.35rem,2.5vw,1.8rem);line-height:1.25;\"\u003eWhat this product does\u003c\/h2\u003e\n\u003cul style=\"margin:0;padding-left:22px;\"\u003e\n\u003cli style=\"margin:8px 0;\"\u003eReceives Bluetooth audio from a compatible source.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003eOutputs analogue audio to the stated 3.5mm and\/or RCA line input.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003eSupports only the call, control and source-count behaviour documented for this revision.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003eReconnects to a saved compatible source when powered and available.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003eModernises existing audio equipment without replacing its amplifier or speakers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"ug-section\" style=\"padding:32px 28px;margin:0;background:#f6f9f7;border-top:1px solid #dcebe2;box-shadow:inset 5px 0 0 #168346;\"\u003e\u003ch2 style=\"margin:0 0 15px;color:#087642;font-size:clamp(1.35rem,2.5vw,1.8rem);line-height:1.25;\"\u003eWhat this product does not do\u003c\/h2\u003e\n\u003cdiv style=\"background:#fff7e7;border:1px solid #f0d296;border-left:6px solid #c56b0a;padding:18px 20px;color:#5d3a08;\"\u003e\u003cul style=\"margin:0;padding-left:22px;\"\u003e\n\u003cli style=\"margin:8px 0;\"\u003ereceiver only; no battery, Bluetooth-headphone transmission, RCA\/optical output, aptX, audio mixing, USB data audio or water rating; not for cars without AUX input.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003eDoes not guarantee uninterrupted wireless service through metal, walls, crowds or heavy 2.4GHz interference.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003eDoes not repair a damaged source, USB port, AUX socket, amplifier or speaker.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003eDoes not make a connector compatible merely because it fits physically.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003eDoes not prove ANC, aptX, LDAC, multipoint or microphone return from the Bluetooth version number alone.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"ug-section\" style=\"padding:32px 28px;margin:0;background:#fff;border-top:1px solid #dcebe2;box-shadow:inset 5px 0 0 #c9e8d5;\"\u003e\u003ch2 style=\"margin:0 0 15px;color:#087642;font-size:clamp(1.35rem,2.5vw,1.8rem);line-height:1.25;\"\u003eWhat to do\u003c\/h2\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,225px),1fr));gap:14px;\"\u003e\n\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eCheck the label\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eConfirm SKU, model and stored revision on the product or box before relying on a specification.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eBegin with one endpoint\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003ePair and test one path before adding any supported second device or output.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eLower volume first\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eProtect hearing and speakers when changing mode, output, codec, call profile or device.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eKeep connections dry\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eInspect USB and audio plugs, remove debris without metal tools and dry completely before power.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eUse official drivers\/manuals\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eUse the CM\/BT model instructions; related UGREEN revisions can use different buttons and radios.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003ePause before switching\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eWhen two sources are connected, pause the current programme before starting the other.\u003c\/p\u003e\u003c\/article\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"ug-section\" style=\"padding:32px 28px;margin:0;background:#f6f9f7;border-top:1px solid #dcebe2;box-shadow:inset 5px 0 0 #168346;\"\u003e\u003ch2 style=\"margin:0 0 15px;color:#087642;font-size:clamp(1.35rem,2.5vw,1.8rem);line-height:1.25;\"\u003eWhat not to do\u003c\/h2\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,225px),1fr));gap:14px;\"\u003e\n\u003carticle style=\"background:#fff;border:1px solid #efd39a;border-top:4px solid #c56b0a;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#844606;font-size:1.05rem;\"\u003eDo not infer features\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eBluetooth 5.x\/6.0 alone does not establish codec, ANC, microphone, multipoint or delay.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #efd39a;border-top:4px solid #c56b0a;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#844606;font-size:1.05rem;\"\u003eDo not force plugs\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eStop if a connector does not align; check port type, direction, damage and case clearance.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #efd39a;border-top:4px solid #c56b0a;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#844606;font-size:1.05rem;\"\u003eDo not use speaker-level output\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eAUX\/RCA receiver inputs are line-level; passive speakers still need an amplifier.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #efd39a;border-top:4px solid #c56b0a;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#844606;font-size:1.05rem;\"\u003eDo not pair while moving\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eConfigure car and aircraft audio before movement and follow local\/crew instructions.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #efd39a;border-top:4px solid #c56b0a;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#844606;font-size:1.05rem;\"\u003eDo not charge damaged cells\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eStop for swelling, leakage, odour or abnormal heat and seek proper battery disposal.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #efd39a;border-top:4px solid #c56b0a;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#844606;font-size:1.05rem;\"\u003eDo not borrow reset timing\u003c\/h3\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"ug-section\" style=\"padding:32px 28px;margin:0;background:#fff;border-top:1px solid #dcebe2;box-shadow:inset 5px 0 0 #c9e8d5;\"\u003e\u003ch2 style=\"margin:0 0 15px;color:#087642;font-size:clamp(1.35rem,2.5vw,1.8rem);line-height:1.25;\"\u003eBattery, charging and realistic runtime\u003c\/h2\u003e\n\u003cp style=\"margin:0 0 13px;\"\u003e\u003cstrong\u003eBattery\/power:\u003c\/strong\u003e There is no internal runtime to manage. Both the USB-A power lead and 3.5mm audio plug must remain connected during use.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 13px;\"\u003e\u003cstrong\u003eCharging\/connection:\u003c\/strong\u003e USB-A provides operating power; it is not a charging\/data link to the stereo. The 3.5mm plug carries analogue audio.\u003c\/p\u003e\n\u003cul style=\"margin:0;padding-left:22px;\"\u003e\n\u003cli style=\"margin:8px 0;\"\u003ePublished runtime is normally a controlled maximum; volume, calls, codec, temperature, range and battery age can shorten it.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003eUSB-powered models have no reserve runtime and stop when vehicle\/computer power stops.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003eUse compliant, undamaged power sources and disconnect any product that becomes unusually hot.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003eDo not leave rechargeable products empty for months; follow the manual for long-term storage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cfigure style=\"margin:18px 0 0;border:1px solid #d5e8dd;border-radius:18px;background:#fff;overflow:hidden;box-shadow:0 10px 26px rgba(12,117,66,.10);\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0581\/3780\/4899\/files\/85428_07.jpg?v=1783661386\" alt=\"UGREEN 85428 Three-step vehicle setup guide\" style=\"display:block;width:100%;height:auto;max-height:760px;object-fit:contain;background:#fff;\"\u003e\u003cfigcaption style=\"padding:11px 14px;border-top:1px solid #dce9e1;background:#f3f8f5;color:#52655b;font-size:.86rem;\"\u003eThree-step vehicle setup guide\u003c\/figcaption\u003e\u003c\/figure\u003e\u003c\/section\u003e\u003csection class=\"ug-section\" style=\"padding:32px 28px;margin:0;background:#f6f9f7;border-top:1px solid #dcebe2;box-shadow:inset 5px 0 0 #168346;\"\u003e\u003ch2 style=\"margin:0 0 15px;color:#087642;font-size:clamp(1.35rem,2.5vw,1.8rem);line-height:1.25;\"\u003eWarnings and limitations\u003c\/h2\u003e\n\u003cdiv style=\"background:#fff7e7;border:1px solid #f0d296;border-left:6px solid #c56b0a;padding:18px 20px;color:#5d3a08;\"\u003e\u003cul style=\"margin:0;padding-left:22px;\"\u003e\n\u003cli style=\"margin:8px 0;\"\u003e\n\u003cstrong\u003eHearing:\u003c\/strong\u003e begin at low volume, limit exposure and stop if you notice discomfort or ringing. Bluetooth features and noise processing are not hearing protection.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e never crush, puncture, short, burn or charge a swollen, leaking, wet or unusually hot rechargeable product. USB-powered models still require a sound, compliant 5V source.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003e\n\u003cstrong\u003eAircraft:\u003c\/strong\u003e follow crew instructions, use only permitted headphone outputs and keep wireless devices off whenever directed. Carry lithium products in accordance with airline rules.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003e\n\u003cstrong\u003eDriving:\u003c\/strong\u003e pair, mount, select sources and set volume while parked. Hands-free calling does not remove attention or legal responsibilities.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003e\n\u003cstrong\u003eWater:\u003c\/strong\u003e This product does not has a IP rating. Keep adapters, plugs and charging ports dry; never connect power while damp.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003e\n\u003cstrong\u003eHeat and storage:\u003c\/strong\u003e do not leave the product on a hot dashboard, near a heater or in direct sun. Keep small adapters and cables away from children and pets.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003e\n\u003cstrong\u003eAudio ports:\u003c\/strong\u003e connect only to the stated headphone\/AUX line-level role. Never connect a 3.5mm\/RCA port to mains, passive-speaker output or an unknown industrial signal.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"ug-section\" style=\"padding:32px 28px;margin:0;background:#fff;border-top:1px solid #dcebe2;box-shadow:inset 5px 0 0 #c9e8d5;\"\u003e\u003ch2 style=\"margin:0 0 15px;color:#087642;font-size:clamp(1.35rem,2.5vw,1.8rem);line-height:1.25;\"\u003eTroubleshooting and reset\u003c\/h2\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,245px),1fr));gap:14px;\"\u003e\n\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eNo pairing\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eBring devices close, verify power\/mode, disconnect competing saved devices and pair one endpoint first.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eConnected but silent\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eCheck source playback, OS output, TX\/RX direction, AUX input selection, cable seating and both volume controls.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eAudio but no microphone\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eA built-in microphone supports hands-free calls on a paired phone. Place the mic where voice pickup is clear; road noise, vents, windows and phone network quality still matter. Confirm the call app input and permissions only where a microphone path is documented.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eDrop-outs\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eReduce distance and metal\/body obstruction, move from crowded 2.4GHz radios and test one connection at a time.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eDelay\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eCompare with a wired path; no unstated codec or Bluetooth version can remove all source and endpoint buffering.\u003c\/p\u003e\u003c\/article\u003e\u003carticle style=\"background:#fff;border:1px solid #cce5d6;border-top:4px solid #0c8a4b;border-radius:14px;padding:18px;box-shadow:0 8px 22px rgba(12,117,66,.07);\"\u003e\u003ch3 style=\"margin:0 0 8px;color:#087642;font-size:1.05rem;\"\u003eReset path\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#33483f;\"\u003eFor pairing problems, unplug USB power, forget BT525 on both phones, reconnect power and pair one phone within one metre. Re-add the second phone only after stable playback.\u003c\/p\u003e\u003c\/article\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"ug-section\" style=\"padding:32px 28px;margin:0;background:#f6f9f7;border-top:1px solid #dcebe2;box-shadow:inset 5px 0 0 #168346;\"\u003e\u003ch2 style=\"margin:0 0 15px;color:#087642;font-size:clamp(1.35rem,2.5vw,1.8rem);line-height:1.25;\"\u003eTechnical specifications\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;background:#fff;border:1px solid #d5e8dd;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003cth style=\"text-align:left;padding:11px 13px;border-bottom:1px solid #dcebe2;color:#175f3c;width:36%;\"\u003eProduct \/ model\u003c\/th\u003e\n\u003ctd style=\"padding:11px 13px;border-bottom:1px solid #dcebe2;\"\u003eUGREEN car Bluetooth audio receiver \/ BT525\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f7faf8;\"\u003e\n\u003cth style=\"text-align:left;padding:11px 13px;border-bottom:1px solid #dcebe2;color:#175f3c;width:36%;\"\u003eSKU \/ colour\u003c\/th\u003e\n\u003ctd style=\"padding:11px 13px;border-bottom:1px solid #dcebe2;\"\u003e85428 \/ grey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003cth style=\"text-align:left;padding:11px 13px;border-bottom:1px solid #dcebe2;color:#175f3c;width:36%;\"\u003eBluetooth version\u003c\/th\u003e\n\u003ctd style=\"padding:11px 13px;border-bottom:1px solid #dcebe2;\"\u003e6.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f7faf8;\"\u003e\n\u003cth style=\"text-align:left;padding:11px 13px;border-bottom:1px solid #dcebe2;color:#175f3c;width:36%;\"\u003eWireless role\u003c\/th\u003e\n\u003ctd style=\"padding:11px 13px;border-bottom:1px solid #dcebe2;\"\u003eReceiver only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003cth style=\"text-align:left;padding:11px 13px;border-bottom:1px solid #dcebe2;color:#175f3c;width:36%;\"\u003eCodecs\u003c\/th\u003e\n\u003ctd style=\"padding:11px 13px;border-bottom:1px solid #dcebe2;\"\u003eLDAC, AAC and SBC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f7faf8;\"\u003e\n\u003cth style=\"text-align:left;padding:11px 13px;border-bottom:1px solid #dcebe2;color:#175f3c;width:36%;\"\u003eProfiles\u003c\/th\u003e\n\u003ctd style=\"padding:11px 13px;border-bottom:1px solid #dcebe2;\"\u003eA2DP and AVRCP listed in manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003cth style=\"text-align:left;padding:11px 13px;border-bottom:1px solid #dcebe2;color:#175f3c;width:36%;\"\u003eAudio connection\u003c\/th\u003e\n\u003ctd style=\"padding:11px 13px;border-bottom:1px solid #dcebe2;\"\u003eIntegrated 3.5mm AUX plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f7faf8;\"\u003e\n\u003cth style=\"text-align:left;padding:11px 13px;border-bottom:1px solid #dcebe2;color:#175f3c;width:36%;\"\u003ePower connection\u003c\/th\u003e\n\u003ctd style=\"padding:11px 13px;border-bottom:1px solid #dcebe2;\"\u003eUSB-A; required during use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003cth style=\"text-align:left;padding:11px 13px;border-bottom:1px solid #dcebe2;color:#175f3c;width:36%;\"\u003eSimultaneous sources\u003c\/th\u003e\n\u003ctd style=\"padding:11px 13px;border-bottom:1px solid #dcebe2;\"\u003eTwo connected; one programme at a time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f7faf8;\"\u003e\n\u003cth style=\"text-align:left;padding:11px 13px;border-bottom:1px solid #dcebe2;color:#175f3c;width:36%;\"\u003eListed range\u003c\/th\u003e\n\u003ctd style=\"padding:11px 13px;border-bottom:1px solid #dcebe2;\"\u003eUp to 10m unobstructed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003cth style=\"text-align:left;padding:11px 13px;border-bottom:1px solid #dcebe2;color:#175f3c;width:36%;\"\u003eCable form\u003c\/th\u003e\n\u003ctd style=\"padding:11px 13px;border-bottom:1px solid #dcebe2;\"\u003eCoiled TPE, approximately 0.3–1.5m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f7faf8;\"\u003e\n\u003cth style=\"text-align:left;padding:11px 13px;border-bottom:1px solid #dcebe2;color:#175f3c;width:36%;\"\u003eBattery\u003c\/th\u003e\n\u003ctd style=\"padding:11px 13px;border-bottom:1px solid #dcebe2;\"\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003cth style=\"text-align:left;padding:11px 13px;border-bottom:1px solid #dcebe2;color:#175f3c;width:36%;\"\u003eMicrophone\u003c\/th\u003e\n\u003ctd style=\"padding:11px 13px;border-bottom:1px solid #dcebe2;\"\u003eBuilt in for supported hands-free calls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003cp style=\"margin:14px 0 0;color:#53665c;font-size:.92rem;\"\u003eListed ranges and runtimes are qualified maxima in suitable conditions, not universal guarantees.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"ug-section\" style=\"padding:32px 28px;margin:0;background:#fff;border-top:1px solid #dcebe2;box-shadow:inset 5px 0 0 #c9e8d5;\"\u003e\u003ch2 style=\"margin:0 0 15px;color:#087642;font-size:clamp(1.35rem,2.5vw,1.8rem);line-height:1.25;\"\u003ePackage contents\u003c\/h2\u003e\n\u003cp style=\"margin:0 0 15px;\"\u003e\u003cstrong\u003ePackage:\u003c\/strong\u003e Integrated BT525 receiver with attached 3.5mm and USB-A leads plus documentation; no separate charging cable is needed.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 10px;color:#087642;\"\u003ePre-purchase checklist\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:22px;\"\u003e\n\u003cli style=\"margin:8px 0;\"\u003eConfirm this SKU\/revision on the sealed product.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003eConfirm TX, RX or Windows-host direction.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003eConfirm every wired input\/output and required power source.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003eConfirm call\/microphone, codec and second-device needs separately.\u003c\/li\u003e\n\u003cli style=\"margin:8px 0;\"\u003eCheck whether any cable, charger or flight adapter you require is actually listed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"ug-section\" style=\"padding:32px 28px;margin:0;background:#f6f9f7;border-top:1px solid #dcebe2;box-shadow:inset 5px 0 0 #168346;\"\u003e\u003ch2 style=\"margin:0 0 15px;color:#087642;font-size:clamp(1.35rem,2.5vw,1.8rem);line-height:1.25;\"\u003eProduct-specific FAQ\u003c\/h2\u003e\n\u003cdetails style=\"background:#fff;border:1px solid #cce5d6;border-radius:12px;margin:10px 0;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;padding:15px 18px;font-weight:800;color:#153d2c;background:#f4f8f6;\"\u003eWhat exactly is UGREEN 85428?\u003c\/summary\u003e\u003cdiv style=\"padding:4px 18px 17px;color:#33483f;\"\u003e\u003cp style=\"margin:10px 0 0;\"\u003eIt is a USB-powered Bluetooth 6.0 AUX receiver with a built-in microphone for adding wireless music, navigation prompts and hands-free calls to a compatible car or wired speaker system.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"background:#fff;border:1px solid #cce5d6;border-radius:12px;margin:10px 0;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;padding:15px 18px;font-weight:800;color:#153d2c;background:#f4f8f6;\"\u003eWhat does this receiver connect to?\u003c\/summary\u003e\u003cdiv style=\"padding:4px 18px 17px;color:#33483f;\"\u003e\u003cp style=\"margin:10px 0 0;\"\u003eA phone, tablet or computer sends Bluetooth audio to BT525. Its integrated 3.5mm plug feeds an AUX input while USB-A supplies power. It does not send wired TV or airplane audio to Bluetooth headphones.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"background:#fff;border:1px solid #cce5d6;border-radius:12px;margin:10px 0;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;padding:15px 18px;font-weight:800;color:#153d2c;background:#f4f8f6;\"\u003eWhich codecs does SKU 85428 support?\u003c\/summary\u003e\u003cdiv style=\"padding:4px 18px 17px;color:#33483f;\"\u003e\u003cp style=\"margin:10px 0 0;\"\u003eLDAC, AAC and SBC are listed in the UGREEN manual. LDAC requires a compatible source and correct codec settings; iPhone uses AAC or SBC. aptX is not claimed.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"background:#fff;border:1px solid #cce5d6;border-radius:12px;margin:10px 0;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;padding:15px 18px;font-weight:800;color:#153d2c;background:#f4f8f6;\"\u003eIs low latency guaranteed?\u003c\/summary\u003e\u003cdiv style=\"padding:4px 18px 17px;color:#33483f;\"\u003e\u003cp style=\"margin:10px 0 0;\"\u003eNo low-latency value is published. Bluetooth 6.0 is not by itself a guarantee of lip-sync or gaming performance.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"background:#fff;border:1px solid #cce5d6;border-radius:12px;margin:10px 0;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;padding:15px 18px;font-weight:800;color:#153d2c;background:#f4f8f6;\"\u003eDo microphone and calls work?\u003c\/summary\u003e\u003cdiv style=\"padding:4px 18px 17px;color:#33483f;\"\u003e\u003cp style=\"margin:10px 0 0;\"\u003eA built-in microphone supports hands-free calls on a paired phone. Place the mic where voice pickup is clear; road noise, vents, windows and phone network quality still matter.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"background:#fff;border:1px solid #cce5d6;border-radius:12px;margin:10px 0;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;padding:15px 18px;font-weight:800;color:#153d2c;background:#f4f8f6;\"\u003eCan two phones or outputs be used?\u003c\/summary\u003e\u003cdiv style=\"padding:4px 18px 17px;color:#33483f;\"\u003e\u003cp style=\"margin:10px 0 0;\"\u003eTwo phones can be connected. Treat this as convenient source switching, not two mixed audio streams; pause one source before using the other.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"background:#fff;border:1px solid #cce5d6;border-radius:12px;margin:10px 0;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;padding:15px 18px;font-weight:800;color:#153d2c;background:#f4f8f6;\"\u003eWhat battery life or power does it use?\u003c\/summary\u003e\u003cdiv style=\"padding:4px 18px 17px;color:#33483f;\"\u003e\u003cp style=\"margin:10px 0 0;\"\u003eThere is no internal runtime to manage. Both the USB-A power lead and 3.5mm audio plug must remain connected during use. USB-A provides operating power; it is not a charging\/data link to the stereo. The 3.5mm plug carries analogue audio.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"background:#fff;border:1px solid #cce5d6;border-radius:12px;margin:10px 0;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;padding:15px 18px;font-weight:800;color:#153d2c;background:#f4f8f6;\"\u003eWhich devices and systems are compatible?\u003c\/summary\u003e\u003cdiv style=\"padding:4px 18px 17px;color:#33483f;\"\u003e\u003cp style=\"margin:10px 0 0;\"\u003eBluetooth music\/call sources including compatible phones and tablets; cars, powered speakers and amplifiers that provide both a 3.5mm AUX input and suitable USB-A power.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"background:#fff;border:1px solid #cce5d6;border-radius:12px;margin:10px 0;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;padding:15px 18px;font-weight:800;color:#153d2c;background:#f4f8f6;\"\u003eWhat should I do if pairing fails?\u003c\/summary\u003e\u003cdiv style=\"padding:4px 18px 17px;color:#33483f;\"\u003e\u003cp style=\"margin:10px 0 0;\"\u003eFor pairing problems, unplug USB power, forget BT525 on both phones, reconnect power and pair one phone within one metre. Re-add the second phone only after stable playback.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"background:#fff;border:1px solid #cce5d6;border-radius:12px;margin:10px 0;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;padding:15px 18px;font-weight:800;color:#153d2c;background:#f4f8f6;\"\u003eWhat is in the package?\u003c\/summary\u003e\u003cdiv style=\"padding:4px 18px 17px;color:#33483f;\"\u003e\u003cp style=\"margin:10px 0 0;\"\u003eIntegrated BT525 receiver with attached 3.5mm and USB-A leads plus documentation; no separate charging cable is needed\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"background:#fff;border:1px solid #cce5d6;border-radius:12px;margin:10px 0;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;padding:15px 18px;font-weight:800;color:#153d2c;background:#f4f8f6;\"\u003eWhat should it not be used for?\u003c\/summary\u003e\u003cdiv style=\"padding:4px 18px 17px;color:#33483f;\"\u003e\u003cp style=\"margin:10px 0 0;\"\u003ereceiver only; no battery, Bluetooth-headphone transmission, RCA\/optical output, aptX, audio mixing, USB data audio or water rating; not for cars without AUX input.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Ugreen","offers":[{"title":"Default Title","offer_id":67607335043305,"sku":"85428","price":2298.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/6639\/6905\/files\/85428_01_b35c10a6-aa01-450c-81a2-f168d43bdd3e.jpg?v=1790839416","url":"https:\/\/www.teckpot.com\/products\/ugreen-aux-to-bluetooth-6-0-car-adapter-with-ldac-3-5mm-aux-adapter-for-car-built-in-microphone-car-bluetooth-audio-receiver-for-hands-free-calls-compatible-with-car-speaker-home-audio-85428","provider":"TeckPot","version":"1.0","type":"link"}