The headset cannot be operated.

  • You cannot operate the headset when you are not wearing the headset. Put the headset into your ears to operate.
  • If the IR sensor of the headset cannot detect that the headset is being worn because the headset is not worn properly, the earbud tips are not attached properly to the headset, or the IR sensor is dirty, the automatic power off function may activate and automatically turn off the headset. Adjust the fit of the headset to your ears, and if the IR sensor is dirty, clean it with a soft dry cloth.
  • When the automatic power off function is set to [Do not turn off] on the [System] tab of the “Sony | Headphones Connect” app, wearing detection will continue to work and the symptom may be improved.
  • Note the following when tapping the touch sensor.
    • Hold the headset firmly between your thumb and middle finger to keep the headset from moving when tapping.
    • Tap the center of the touch sensor with the pad of your index finger.
      If you tap with your nail or fingertip, tap the rim of the touch sensor, or forcibly press the touch sensor, the headset may not operate.
  • If you are wearing gloves, remove them before operating.
  • If the surface of your index finger is wet, greasy, dirty, too dry, etc., the headset may not respond well to tapping.
  • If the touch sensor is in the following states, it may not work or may react incorrectly.
    • It is wet with water, sweat, etc.
    • It is touched by hair, wet towels, etc.
  • When you change the assignment of the functions to the touch sensors with the “Sony | Headphones Connect” app, confirm on the app that the correct functions are assigned to the touch sensor.
  • Charge the charging case.
  • Set the headset units into the charging case, and close the charging case lid.
    You may be able to resolve some issues by setting the headset units into the charging case.
  • Reset the headset.
  • Initialize the headset, and pair the headset and the device again.