4Contents1. Introduction ......................... 5Bluetooth wireless technology........... 52. Get started ........................... 7Overview................................................... 7Chargers.................................................... 7Charge the battery ................................ 8Switch the headset on or off.............. 9Pair the headset ..................................... 9Disconnect the headset ................. 10Reconnect the headset .................. 10Troubleshooting................................... 103. Basic use............................. 12Change the earplug............................ 12Place the headset on the ear........... 12Carry the headset in the strap ........ 14Calls ........................................................ 14Adjust the headset volume............... 15Mute or unmute the microphone... 15Switch the call betweenthe headset and mobile device ....... 16Clear pairings or resetthe headset ........................................... 164. Battery information ........... 17Care and maintenance........... 19