
Precautions iv....................................................................................................................................
Help Guide | Precautions 88........................................................................................................
Help Guide | What is BLUETOOTH wireless technology? 89.....................................................
Trademarks iv....................................................................................................................................
Help Guide | Trademarks 91........................................................................................................
Support website iv.............................................................................................................................
Help Guide | Customer support websites 92...............................................................................
Troubleshooting iv.............................................................................................................................
Help Guide | What can I do to solve a problem? 93....................................................................
Power iv.............................................................................................................................................
Help Guide | The headset is not turned on. 94............................................................................
Charging iv........................................................................................................................................
Help Guide | Charging cannot be done. 95.................................................................................
Help Guide | Charging time is too long. 96..................................................................................
Help Guide | The headset cannot be recognized by a computer. 97...........................................
Help Guide | The remaining battery charge of the headset is not displayed on
the screen of an iPhone, iPad, or iPod touch. 98........................................................................
Sound iv.............................................................................................................................................
Help Guide | No sound 99...........................................................................................................
Help Guide | Low sound level 100...............................................................................................
Help Guide | Low sound quality 101............................................................................................
Help Guide | Sound skips frequently during playback. 102.........................................................
Help Guide | The noise canceling effect is not sufficient. 103.....................................................
Pairing v.............................................................................................................................................
Help Guide | Pairing cannot be done. 104...................................................................................
One-touch connection (NFC) v..........................................................................................................
Help Guide | Unable to connect the headset to a BLUETOOTH device with
one-touch connection (NFC) 105................................................................................................
BLUETOOTH connection v...............................................................................................................
Help Guide | Unable to make a BLUETOOTH connection 106...................................................
Help Guide | Distorted sound 107................................................................................................
Help Guide | The BLUETOOTH wireless communication range is short, or
the sound skips. 108....................................................................................................................
Help Guide | The headset does not operate properly. 109..........................................................
Phone calls v.....................................................................................................................................
Help Guide | No voice from callers 110.......................................................................................
Help Guide | Low voice from callers 111.....................................................................................
Resetting or initializing the headset v................................................................................................
Help Guide | Resetting the headset 112......................................................................................
Help Guide | Initializing the headset to restore factory settings 113............................................