suitable for all mobile phones with different adapters. Accomplish listening and answering by wireless headset directly. keep away from the damage caused by mobile phone?s powerful radiation current. charge all mobile phone in the car through cigarette lighter Operation range up to 10m.ourput power under 1MVV. Contiuous talking time up to 3 hours,standby time up to 4 days. Not only use in your car, but available for any environment. Fashionable designed With mp3 audio transmitter,you can enjoy the music from mp3 player through radio in your car.