The Camelion USB Power Adapters provide a direct power supply for iPhone, mobile phones, PSP, Blackberry, MP3/4 players, camcorders, PDA and other devices. Simply connect the USB power adapter with a USB cable and your device, plug and play into the socket. The power adapters are small, compact and practical. They have a short circuit protection which protects the power adapter and the mobile devices in the case of a short circuit. Also are given an over current and over temperature protection.