Main features: l A wireless headset based on Bluetooth technology; l Specially designs for different kinds of Bluetooth cell phone. l Fashion type similar as international famous brand l Fair-sounding voice similar as classical soft musicl Convenient hand-free service which makes your hands l Out of picking up phone while driving and working. Out of radiant harm while phoning. Products specification: l Technology: Bluetooth v1.2 compliant (compatible with Bluetooth 1.1) l Talk time up to 5.5 hoursl Standby time up to 5 days.l Broadcasting range of 10m(30inches)l Weight: about 20g. Chipset: CSRl Radio Performance: Class II