Music playback doesn't resume even if the wireless headset is worn again.

In the following cases, music playback may not resume even if the wireless headset is worn again.

• Depending on the application or mobile device, playback may not resume even when the headset is worn again.
  In this case, press the playback button on the headset or the connected device.
   
• Music playback doesn't resume even if the wireless headset is worn again after both units are removed.
  To resume music playback, press the playback button on the connected device.
  NOTE: When only one unit is removed, the headset pauses music playback. When the unit is worn again, the headset resumes music playback.