... , such as for the iPhone, iPad & tablet PCs, IPAd player device.•2.simple and practical, unique design, beautiful and convenient appearance, light weight, built-in lithium battery ... hours4. Audio output power: 4Ω3W * 2 super slim 3 in 1 (Wireless Bluetooth Keyboard+Aluminum Case+iPad2 Stand) Aluminum bluetooth keyboard for iPad 2/3