Bluetooth handset(15g only) is a wireless headset based on Bluetooth technology. It specially designs for different kinds of Bluetooth cell phone. It has fashion type similar as international famous brand; It has fair-sounding voice similar as classical soft music; It has convenient hand-free service which makes your hands out of picking up phone while driving and working; It has tiny power output (0.001w only) which makes your head out of radiant harm while phoning.