Brand: SONY
Category: Audio
Document Type: Manual
Language: EN
Manual for WH-H910N
Uploaded: Nov. 21, 2025, 7:26 p.m.
Warranty Information
This manual does not contain specific warranty information.
Listening to Music: Enjoy music wirelessly via Bluetooth from a smartphone or music player.
Talking on the Phone: Make and receive calls hands-free.
Turning On/Off: Press and hold the power button for about 2 seconds.
Connecting: Pair the headset with Bluetooth devices. For one-touch connection (NFC), tap the headset to the device.
Charging: Use the supplied USB Type-C cable to connect to an AC outlet or computer. The red indicator lights up during charging.
Checking Battery: Press the power button for voice guidance or check the indicator on connected devices.
Troubleshooting and error codes
| Problem | Solution |
|---|---|
| Unable to turn on | Reset or initialize the headset. |
| Charging cannot be done | Check connections, ensure correct adapter is used, check charging temperature. |
| No sound | Check volume, Bluetooth connection, and audio output settings. |
| Low sound level | Turn up volume on headset and connected device. |
| Low sound quality | Move away from interference, switch to A2DP connection, check computer specifications. |
| Sound skips frequently | Move closer to the device, remove obstacles, change playback quality settings, or use SBC mode. |
| Noise canceling not sufficient | Ensure function is on, adjust headset fit, note effectiveness is for low frequencies. |
| Pairing cannot be done | Ensure devices are close, enter pairing mode correctly, delete existing pairing info. |
| One-touch connection (NFC) does not work | Check NFC is on, remove case, ensure device supports NFC, do not attempt while charging or with headphone cable connected. |
| Unable to make Bluetooth connection | Ensure devices are on, check Bluetooth function, disconnect from other devices, check sleep mode, re-establish connection, re-pair if necessary. |
| Distorted sound | Keep away from microwave ovens, wireless LAN devices, etc. |
| Short Bluetooth range / skips | Set to "Priority on stable connection" mode, remove obstacles, position devices correctly, move away from interference. |
| Headset does not operate properly | Reset the headset; if issue persists, initialize the headset. |
| Cannot hear person on call | Check devices are on, turn up volumes, check audio settings, re-establish connection, use touch control to answer. |
| Low voice from callers | Turn up volume on headset and connected device. |