To locate the issue, please try the following:

1. Fully charge your earbuds and reset your earbuds as below:

- Take the earbuds out of the charging case, and wear the earbuds, while long pressing the left and right earbuds 10S, hear a beep, indicating a successful reset.

2. Update your computer’s  Bluetooth driver to the latest version.

3. Re-pair your earbuds with your computer.

4. Test your earbuds with another Bluetooth device to check they are working properly. 

If you encounter any other issues or your issue has not been resolved, please contact us for further assistance.