Product features: 1. The protection against electric shock exit 2. Unique exquisite design, dual USB interface, retractable power supply pins. 3. Four kinds of international standards (EU, US, UK, AUS) retractable power supply pins,With safety switch,on the other side is a universal socket. Main functions: the unique exquisite design, make more convenient to carry and can be general use in more than 150 countries around the world, cell phones, laptops, MP3, MP4, digital cameras, electric shavers, PDA, CDMD player charging, etc