Operation instruction of bone conduction Bluetooth headset 1, Characteristics introduction The headset employs the design thoughts of bone conduction headset’s principal and characteristics, hidden rear hang microphone and open ears. Together with the synergy- consumption version of Bluetooth chip, It can be used with smart phone, I Pad, and It can receive stereo sound frequency signal. Meanwhile, you can listen to or control music tirelessness the volume and change music{last or next).