we are a mamufacturer to design and produce usb data cable,irda wireless connection , bluetooth usb dongle( adapter ) ,bluetooth handfree,usb hub,card reder , pc camera , usb fan ,usb light ,some usb series products and mobile phone accessries . our factory and office are located in shenzhen china . for more details please visit http://www.sun-usb.com . email: david@sun-usb.com msn: sun-usb-david@hotmail.com features: 1) applicable to the countries and regions with input voltage ac100-240v 2) the convertible connectors can be matched any mobile phones 3) no damage to the mobile phone 4) charges user's phone quickly while in the car 5) easily fitted into most cigarette lighter sockets 6) charge and talk at the same time specification; 1) travel charger input voltage: ac100-240v 50-60hz 2) car charger input voltage: dc12-24v 3) usb increase voltage adapter input voltage: dc5.0v