an iPhone, iPad, or iPod touch.
Multi-function button operation
Sound volume cannot be adjusted.
Unable to go to previous or next song.
Unable to switch the left and right channels.
Sound skips frequently during playback.
Unable to connect the headset to a BLUETOOTH device with one-touch
connection (NFC)
Unable to make a BLUETOOTH connection
The BLUETOOTH wireless communication range is short, or the sound skips.
The headset does not operate properly.
Resetting or initializing the headset
Initializing the headset to restore factory settings
TOC-3