ID781W General Spec Type Wireless bluetooth keyboard Operation Distance Up to 10 meters Compatibility iPad 2  Support Bluetooth V2.0 class 2 Operation Current <1.2 MA Operation Voltage 3.3V DC Features Wireless keyboard + Bluetooth. Suitable for iPad. Supports Bluetooth V2.0 class 2. Buil-In Lithium rechargeable battery   Video Demo Package Details Weight: 384.13 g Size: 29.2*12.5*3 cm Package Includes * Keyboard