LED backlit keys. * Built-in rechargeable lithium-ion battery, charges via the included USB cable. * 2.4GHz USB wireless receiver; works up to 30 feet away from the keyboard. * Compatible with windows PCs & laptops (7/Vista/XP), gaming devices (Wii, PS3, Xbox), tablets and many TV internet boxes * What"s in the box? 1 x Keyboard, 1 x USB to Mini USB adapter and 1 x power cable.