EH0418B Features Standard QWER keyboard Rapid connection via Bluetooth 3.0(HID) Operating range is up to 10 meters Compatible with Android， Windows and iOS  A great accessory for Bluetooth-enabled tablet PCs or cell phones Compact size for ease of carrying General Specs Brand & Model IS11-BT05  Type Bluetooth keyboard Bluetooth Version V3.0 (HID) Compatibility Bluetooth-enabled tablet PCs， phones Operating Range 10 m Battery 250mAh Working Current 10mA Charging Current 100mA Sleeping Current 100uA Material ABS Charging Voltage DC 5V Continous Working Time 20 hours Standby Time 30 days Key Lifetime 1 million times Package Details Weight: 164.78 g Size: 17.5*10*3 cm Package Includes 1 x USB Cable，1 x Bluetooth Keyboard