7 Colors Wireless Keyboard, EC Technology Universal Slim Portable Backlit Bluetooth Keyboard with Built-in Rechargeable Battery for Smartphones, Windows, PC, Tablet - Black Steady wireless connection: a nice complement for tablets, iPad and iPhone, with reasonable keys design, it makes you easier to Type words like using a computer keyboard. Especially suitable for those who are used to keyboard and not good at the screen typing. Premium Li-Polymer battery: built-in large Rechargeable li-polymer battery provides 200 hours of effective usage time without under backlit condition. Having auto-sleep function, its extra long standby time could be up to 500 days after a full charging. Compact and lightweight: ultra slim and portable for carrying, total weight is 6.4 oz, convenient for taking with. Extensive compatibility: It could compatible with iOS, Android and Windows, suitable for all devices which support Bluetooth function. Even your laptops or PC could be perfectly paired. Package Contents: 1 x EC Technology backlit Bluetooth keyboard, 1 x USB charging cable, 1 x instruction manual.