UGREEN HiTune X6 ANC Earbuds, 35dB, 26H – 90242
Overview
UGREEN 90242 is in-ear true-wireless earbuds with hybrid ANC, a dedicated low-latency mode, Bluetooth 5.1, SBC/AAC playback and a USB-C charging case. Below: direction, pairing, codec limits, microphone behaviour, battery expectations and safe use without borrowing claims from similar UGREEN products.
- SKU 90242
- HiTune X6 ANC
- Black
- True wireless audio
What it does well.
Key features
What it does. in-ear true-wireless earbuds with hybrid ANC, a dedicated low-latency mode, Bluetooth 5.1, SBC/AAC playback and a USB-C charging case.
Audio direction. Bluetooth audio travels from one compatible host to the earbuds; six built-in microphones support calls back to that host. The charging case powers the earbuds but provides no audio input or output.
Codec boundary. SBC and AAC are the listed codecs. aptX is deliberately excluded: a different UGREEN HiTune X6 revision is documented with aptX and Bluetooth 5.2, but those claims conflict with the 90242 product record and media.
Compatibility boundary. Bluetooth audio phones, tablets and computers that support SBC or AAC. TVs and consoles must expose compatible Bluetooth audio; microphone and control support may be limited.
Audio direction: source → product → listener
Bluetooth audio travels from one compatible host to the earbuds; six built-in microphones support calls back to that host. The charging case powers the earbuds but provides no audio input or output.
Why direction matters: transmitter, receiver and headset roles are not interchangeable. A Bluetooth version number also does not establish microphone return, codec, multipoint or low latency.
Before pairing: identify the wired input/output, set the correct operating mode and lower volume at every powered endpoint.
Sound, codecs and latency
Codec support. SBC and AAC are the listed codecs. aptX is deliberately excluded: a different UGREEN HiTune X6 revision is documented with aptX and Bluetooth 5.2, but those claims conflict with the 90242 product record and media.
Delay and sync. A 50ms low-latency mode is listed for SKU 90242. This is a UGREEN test figure, not an end-to-end guarantee; host processing, game, distance and codec can add delay.
Real-world sound. Final fidelity depends on the source file, negotiated codec, RF conditions, transducers, fit, amplifier and volume. “Bluetooth 5.x” alone is not a sound-quality tier.
For games and video. Treat every millisecond figure as a controlled test result. Wireless display processing, game engines and headset buffering can add delay.
Use scenarios
Scenario 1. ANC listening for steady low-frequency background sound.
Scenario 2. 50ms listed game mode for less delay on compatible content.
Scenario 3. AAC/SBC music and video from phones, tablets and computers.
Scenario 4. Supported voice calls and meetings.
Scenario 5. Sweat and light-splash exposure only, followed by drying before charging.
Setup and usability guidance
Best practice: pair one endpoint first, verify stable audio, then add any supported second endpoint. This makes faults easier to isolate.
Controls. Touch mapping includes play/pause and call answer, volume, track change, voice assistant, ANC/normal mode and low-latency mode. Use the manual because timing and left/right gestures differ.
Microphone and calls. Six microphones with RCV 4.0 processing are listed for voice calls. The product page’s percentage language is treated as a laboratory claim, not a promise that all wind or crowd noise will disappear.
Two-device behaviour. No multipoint or dual-host behaviour is verified. The earbuds reconnect to a previously paired host when available; manage competing saved hosts through their Bluetooth menus.
Reset path. The listing instructs a 3-second case-button hold for pairing and a 10-second hold for reset. First forget the old host record, keep both earbuds in the case and follow the indicator response.
- Step 1: Charge the case and both earbuds.
- Step 2: Open the case and pair the HiTune X6 entry from the host Bluetooth menu.
- Step 3: Choose SBC/AAC automatically through the host; there is no manual aptX claim for this SKU.
- Step 4: Long-press controls only according to the supplied X6 map to avoid accidentally changing modes.
- Step 5: Use the documented case reset control when both earbuds no longer pair as one set.
Compatible devices and systems
Compatibility class: Bluetooth audio phones, tablets and computers that support SBC or AAC. TVs and consoles must expose compatible Bluetooth audio; microphone and control support may be limited.
- Match Bluetooth audio capability, not just the word Bluetooth. Some TVs, consoles and computers support controllers or data but not Bluetooth audio.
- Confirm whether the desired direction is sending audio, receiving audio or returning a microphone. These are separate capabilities.
- Confirm physical connector role and audio type: analogue AUX, optical PCM or USB audio are not interchangeable.
- Update the host operating system and test with other saved Bluetooth devices temporarily disconnected.
- When using branded earbuds/headphones, check their pairing limits and supported codec list too.
What this product does
- Receives Bluetooth programme audio from a compatible host.
- Uses built-in microphones for supported call audio.
- Stores and recharges in its matched case.
- Provides only the listening modes and codecs stated for this SKU.
- Reconnects after a successful pairing when the saved host is available.
What this product does not do
- not the separate Bluetooth 5.2/aptX/28-hour/IPX6 HiTune X6 revision; not LDAC; not confirmed multipoint; IPX5 does not permit immersion and does not cover the case.
- Does not guarantee uninterrupted wireless service through walls, crowds, RF congestion or defective device ports.
- Does not improve a poor recording, repair a damaged socket or guarantee a particular listening volume.
- Does not mix two independent programmes or create independent listener volume unless expressly documented.
- Does not prove compatibility merely because a connector fits or a device advertises Bluetooth.
What to do
Start with one device. Pair and test one endpoint before adding a supported second device or extra cable path.
Keep volume low. Begin at low source and destination volume, especially after switching RX/TX, ANC modes or audio outputs.
Keep firmware and OS current. Updates can improve Bluetooth stability, but use only official vendor updates and do not assume they add unlisted hardware features.
Protect ports and batteries. Grip connectors by housings, keep charging contacts dry and store the product away from loose metal objects.
Confirm active codec or mode. Use the host menu or product display when available. Marketing names do not prove what was negotiated.
Dry before charging. After sweat or a splash, wipe and air-dry completely before returning earbuds to a case or connecting USB power.
What not to do
Do not assume version = feature. Bluetooth 5.x does not automatically mean aptX, LDAC, ANC, multipoint or microphone return.
Do not force connectors. Stop if a plug does not align or fully seat; check direction, port type, case clearance and debris.
Do not charge wet hardware. Moisture plus charging contacts can cause corrosion, heat or failure.
Do not use ANC as protection. Noise cancellation does not certify safe exposure in factories, workshops, shooting, aviation or other hazardous noise.
Do not pair while driving. Configure calls, volume and source switching only while safely parked.
Do not invent reset gestures. Use this model manual; similar HiTune and Bluetooth adapters use different button timing.
Battery, charging and realistic runtime
Runtime: Up to 6 hours in normal mode, about 5.5 hours with ANC, and up to 26 hours total with the case. Ten minutes of charging is listed for up to one hour of playback; earbuds about 1.5 hours, case about 2 hours.
Power method: USB-C charging case. The IPX5 statement applies to the earbuds, not the case or charging port.
- Published runtime is normally measured under controlled conditions; high volume, ANC, premium codecs, calls, displays, cold weather and weak signal can shorten it.
- Lithium batteries age. Lower runtime after repeated cycles is normal; swelling, leakage, excessive heat or odour is not.
- Use compliant cables and power sources, keep ventilation clear and disconnect if the product becomes unusually hot.
- For long storage, avoid leaving the battery empty for months; recharge periodically according to the supplied manual.
Warnings and limitations
- Hearing: start at low volume, take listening breaks and reduce level if you notice discomfort or ringing. ANC is not hearing protection.
- Situational awareness: do not use isolating audio or ANC where hearing traffic, alarms, announcements or instructions is important.
- Battery: do not crush, puncture, burn, short, disassemble or charge a wet/swollen/hot product. Stop use if odour, leakage or deformation appears.
- Children and pets: keep earbuds, tips, adapters and cables away from small children; small components can be a choking hazard.
- Aircraft: follow crew instructions, use only permitted seat audio sockets and keep wireless functions off whenever required.
- Driving: pair and adjust while parked. Hands-free capability does not remove attention or legal obligations.
- Water: a stated IP rating is limited laboratory splash resistance, not permission to swim, shower or charge while wet. The case is not covered unless explicitly stated.
Troubleshooting and reset
No pairing. Move endpoints close together, charge/power both, disconnect competing saved devices, verify TX/RX direction and restart pairing.
Audio but no microphone. Confirm the app selected the earbuds as input and that microphone permission is enabled; reconnect after another call app releases the headset.
Drop-outs. Reduce distance, remove body/metal obstruction, move away from crowded 2.4GHz sources and test one paired device at a time.
Delay. Use a low-latency mode only where listed, confirm both endpoints support the needed codec and compare with a wired path.
Only one side/listener. Charge both earbuds, clean dry charging contacts, forget the saved record and perform this model reset.
Model-specific reset. The listing instructs a 3-second case-button hold for pairing and a 10-second hold for reset. First forget the old host record, keep both earbuds in the case and follow the indicator response.
At a glance.
- Product
- UGREEN HiTune X6 ANC true-wireless earbuds
- SKU / colour
- 90242 / black
- Bluetooth version
- 5.1
- Codecs
- SBC and AAC
- ANC
- Hybrid ANC, up to 35dB under stated conditions
- Driver
- 10mm diamond-like-carbon (DLC) dynamic driver
- Call system
- Six microphones with RCV 4.0 processing
- Listed low-latency mode
- 50ms test figure
- Runtime
- Up to 6h normal / 5.5h ANC / 26h with case
- Quick charge
- 10 min for up to 1h playback
- Charging time
- Earbuds about 1.5h; case about 2h
- Water resistance
- IPX5 earbuds; case not covered
- Ear tips
- Three pairs listed
- In the box
- Confirm SKU on the product/box rather than buying by family name alone.
Confirm transmitter versus receiver direction and every wired connector.
Confirm microphone/call need, desired codec and simultaneous-device need separately.
Check whether the source device supports Bluetooth audio, not only Bluetooth peripherals.
Inspect the sealed package on arrival and retain the manual for the correct reset and control map.
Numbers are model listing or exact-media figures unless marked unverified. They are qualified laboratory maxima, not universal guarantees.
Package: HiTune X6 earbuds, charging case, USB-C charging cable, three ear-tip pairs and user documentation, based on this product record.
Questions buyers ask.
What exactly is UGREEN 90242?
It is in-ear true-wireless earbuds with hybrid ANC, a dedicated low-latency mode, Bluetooth 5.1, SBC/AAC playback and a USB-C charging case.
Can these earbuds receive music and return microphone audio for calls?
Bluetooth audio travels from one compatible host to the earbuds; six built-in microphones support calls back to that host. The charging case powers the earbuds but provides no audio input or output.
Which codecs are supported?
SBC and AAC are the listed codecs. aptX is deliberately excluded: a different UGREEN HiTune X6 revision is documented with aptX and Bluetooth 5.2, but those claims conflict with the 90242 product record and media.
Is there a guaranteed low-latency mode?
A 50ms low-latency mode is listed for SKU 90242. This is a UGREEN test figure, not an end-to-end guarantee; host processing, game, distance and codec can add delay.
Do calls and the microphone work?
Six microphones with RCV 4.0 processing are listed for voice calls. The product page’s percentage language is treated as a laboratory claim, not a promise that all wind or crowd noise will disappear.
Do these earbuds support Bluetooth multipoint?
No multipoint or dual-host behaviour is verified. The earbuds reconnect to a previously paired host when available; manage competing saved hosts through their Bluetooth menus.
What battery life should I expect?
Up to 6 hours in normal mode, about 5.5 hours with ANC, and up to 26 hours total with the case. Ten minutes of charging is listed for up to one hour of playback; earbuds about 1.5 hours, case about 2 hours.
How is it charged or powered?
USB-C charging case. The IPX5 statement applies to the earbuds, not the case or charging port.
Which devices are compatible?
Bluetooth audio phones, tablets and computers that support SBC or AAC. TVs and consoles must expose compatible Bluetooth audio; microphone and control support may be limited.
What should I do if pairing fails?
The listing instructs a 3-second case-button hold for pairing and a 10-second hold for reset. First forget the old host record, keep both earbuds in the case and follow the indicator response.
What is included?
HiTune X6 earbuds, charging case, USB-C charging cable, three ear-tip pairs and user documentation, based on this product record