... With Bluetooth Keyboard for iPad2 Light weight, quiet keystroke, dust proof and spill-proof. Bluetooth 3.0 interfa Case Cover With Bluetooth Keyboard for iPad2Bluetooth keyboard Product Features: 1, Bluetooth 3.0 ... : 60days 11, Uninterrupted working time: 30 hours 12, Charging time: 4-4.5 hours 13, Lithium polymer battery Capacity: 330mAh 14, Lithium ...