... style hard keyboard, Multifunctional and 650mah rechargeable lithium batteryOperating System:Mac, Android 3.0 (Galaxy tab 10.1 8.9, Xoom), Windows 7,Vista ... a Bluetooth device * Support Android3.0 , IPad, Iphone 3G, 3GS, Iphone 4,4S, MAC 3.0, windows,Li-ion Battery* yingxin Keyboard for galaxy tab ...