Travel Adapter World-Wide Universal All-in-one Wall Charger Power Adapter Plug (US,UK,EU,AU) With USB Charger,Black Elegant, safe and easy way to connect your dual voltage portable appliances worldwide. Built-in all intelligent recognition chip voltage. The output has the protection of over current, over voltage, overload, short circuit. 2 Prong or 3 Prong plug converts to U.S, Europe, Asia, China, Australia, New Zealand, and the UK. It can be used with a range of devices, including:MP3 players, digital cameras, mobile phones, GPSs,PDAs,travel speakers,etc. The USB charger can be used on electrical systems around the world with a variable input voltage.