No sound, no sound from one side
Common
- Pair the headset and the Bluetooth device again.
- Charge the charging case.
-
Set the headset into the charging case.
You may be able to resolve some issues by setting the headset into the charging case. - Restart the smartphone or the computer you use.
- Reset the headset.
- Initialize the headset, and pair the headset and the device again.
When connecting to a computer
- If you are connecting a computer to the headset, make sure the audio output setting of the computer is set for a Bluetooth device.
When there is no sound on only one side
- Depending on the smartphone app or computer application (which requires HFP (Hands-free Profile)/HSP (Headset Profile)), you may hear a voice from only one unit.
