The QC3 Bluetooth Adapter will Compatible with:
Bose QuietComfort 3 (QC3) Headphones

Features:
1) Perfect as a New replacement for damage or loss of your original cable.
2) Solid build quality, Superb sound quality & High cold tolerance.
3) New design Wireless Line, no need jack to connect to your cellphones, just use Bluetooth to connect.
4) The remote control allows you to Volume Up/Down, Call On/Off, Song Next/Last

QC3 Bluetooth Adapter Usage:
Boot: Long press the answer key to boot, until hear the starting up prompt tone (voice prompt boot), then the blue light flashing.
Shutdown: Long press the answer key to turn it off (voice prompt to turn it off).
Battery Charging: When charging, the indicator light turns red, the blue light turns means full charge.
VOL+: Long press the VOL+ key to increase the volume.
VOL-: Long press the VOL- key to turn down the volume.
Switch to the previous song:Short press the Vol- key turn to the previous song.
Switch to the next song: Short press the VOL+ key turn to the next song.
Music play: Short press the answer key.
Music pause: Short press the answer key.
Answer/hang up the phone: Short press the answer key.
Redial: Press twice the answer key can redial the last time calling phone number.

QC3 Operation Steps:
1) Long press the MFB to power on/off the adapter to enter the pairing status.
2) Enable your phone with bluetooth, and pair with adapter, then connect with your Headphone.
3)Wireless play music, short press the MFB to pause/play.
3) Long press the +/- to volume up/down, short press the +/- to skip to next/previous song.
4) When there is an incoming phone calling, press the MFB Button to answer/r