Touch sensor, stereo sound, Bluetooth, or noise canceling features don't work correctly on my earbud headphones

The earbuds have IR sensors that detect when they are correctly worn. If you don't insert the earbuds correctly or if the IR sensors are dirty, the following issues may occur:

• Bluetooth® connection is lost.
• The touch sensor doesn't work on one of the earbuds.
• One earbud isn't detected and turns off after 15 minutes due to the Automatic Power Off function.
• Only one of the earbuds is detected; the sound is heard from both earbuds, but the sound output becomes monaural (non-stereo).
• Only one of the earbuds is detected, and the Ambient Sound Mode works only with the detected earbud.
• Neither of the earbuds is detected, and the Ambient Sound Mode turns off.

Note: These issues are based on the default settings. If you customize the settings, the issues may differ.

Steps to troubleshoot IR sensor issues

To resolve the issue, perform the following and check if the issue is resolved after completing each step:

1. Clean the IR sensors (A) on the back of the earbuds with a dry, soft cloth.
   
2. Make sure the earbuds are properly fit to your ears.
   • LinkBuds Open (WF-L910): How to wear your LinkBuds Open properly
   • Other models: How to wear the headphones properly and select the most suitable earbud tipsa>
3. Turn off the Automatic Power Off function in the Sony | Headphones Connect app to disable the wearing detection function.
4. If the issue still occurs, refer to the Headphones Troubleshooting Guide, select your issue, and follow each solution.