... hard keyboard, Multifunctional and 650mah rechargeable lithium batteryOperating System:Mac, Android 3.0 (Galaxy tab 10.1 8.9, Xoom), Windows 7 ... via a Bluetooth device * Support Android3.0 , IPad, Iphone 3G, 3GS, Iphone 4,4S, MAC 3.0, windows,Li-ion Battery* yingxin Keyboard ... . Compatible with galaxy tab 10.1’3.Keyboard Material: ABS 4. Folio Material: High quality PU, carbon fiber strain. 5. ...