Wewdigi&reg; Heavy Duty International 4-Port USB AC Adapter Travel Wall Charger Kit with Interchangeable Universal Adapters (US, UK, EU, AU) for iPhone, iPad, iPod, Samsung Galaxy Tab and More(Wholesale wall charger) Great for charging phones, cameras, mp3 players and more Power and charge up to 4 USB-powered devices with the proper USB cables (not included) Provides standard DC 5V at up to 2.1A max Input voltage: 110-220V AC (US Outlet) Dimensions: 3" x 2" x 1"