HDE 4 Port USB Wall Charger with International Plugs - AC DC Power Adapter Worldwide Travel Charge Kit Takes away the headache of charging your smartphones, tablets and other electrical devices while overseas | 4 interchangeable wall plugs; US, UK, EU, and AU sockets, with short-circuit, over temperature, and overload protection Delivers optimal charging current for connected devices such as Apple and Android smartphones, tablets (including the Nexus 7) and other USB-charged devices- ensuring the faster, more efficient charge Quickly change the wall plug by pressing the lock / unlock button of the main unit Great for charging camera, mp3 player, cell phone, tablet and other electronics that require a USB charger (USB cable not included) Input Voltage: 100V-240V AC. 50/60Hz, 300mA | Output Current: 5V - 2.1A (maximum for all 4 USB ports)