Low sound level
- When playing music, adjust the volume on the connected device. If you are unable to adjust the volume on the connected device, install the “Sony | Headphones Connect” smartphone app and adjust the volume in the app.
- When talking on the phone, adjust the volume on the connected device. If you are unable to adjust the volume on the connected device, install the “Sony | Music Center” smartphone app and adjust the volume in the app.
- Connect the Bluetooth device to the headset once again.
