Caseflex Ultra Slim Rechargeable Wireless Bluetooth Keyboard For iOS, iPad (Air / Mini / Pro Models), iPhone, Mac, Android & Windows Devices [Built-In Long Life Lithium Battery] Aluminium Body &ndash; Black Engineered from tough premium grade aluminium exterior and a re-enforced interior frame this Bluetooth Keyboard is both light weight (170g) and ultra-thin (4mm) making it durable, portable and convenient for use at home or during travel Compatible With All iOS (iPad 1/2/3/4, iPad Air, iPad Air 2, iPad Mini, iPad Mini 2 / 3 / 4, iPad Pro & iPhone) Android (Samsung Galaxy Tab, Sony Xperia Tablet Z & Nexus), Windows (Microsoft Surface, ASUS, Lenovo) & Many More Long Life Battery: Integrated lithium ion rechargeable battery provides up to 140 hours of usage, while the power saving auto sleep function ensures that you get maximum usage from every charge High Speed Wireless Bluetooth 3.0 technology provides a lightning fast connection and unrivalled operating range when used with any iPad, Mac, Tablet, Smartphone or Smart TV Package Contents: 1 x Caseflex Premium Bluetooth Keyboard With 2 year Guarantee  1 x Micro USB Charging Cable  1 x Set of operating instructions  Keyboard dimensions: 240mm x 130mm x 4mm