Main features: a wireless headset based on Bluetooth technology; Specially designs for different kinds of Bluetooth cell phone. fashion type similar as international famous brand fair-sounding voice similar as classical soft music convenient hand-free service which makes your hands out of picking up phone while driving and working.out of radiant harm while phoning. Products specification:Technology: Bluetooth v1.2 compliant(compatible with bluetooth 1.1) Talk time up to 6 hours Standby time up to 120 hours. Broadcasting range of 10m(30inches) Weight:about 20g. Chipset:CSR Radio Performance:Class II