No sound

  • Depending on the smartphone app (which requires HFP (Hands-free Profile)/HSP (Headset Profile)), you may hear a voice from only one unit.
  • Check that the connected device and both the left and right units of the headset are turned on.
  • Check that the headset and the transmitting Bluetooth device are connected via Bluetooth A2DP.
  • Turn up the volume if it is too low.
  • Check that the connected device is playing back.
  • Pair the headset and the Bluetooth device again.
  • When the Google Assistant feature is assigned to the headset and you want to use only one unit of the headset, use the unit with the Google Assistant feature assigned.
  • When the Amazon Alexa feature is assigned to the headset and you want to use only one unit of the headset, use the unit with the Amazon Alexa feature assigned.