... keyboard, Multifunctional and 650mah rechargeable lithium batteryOperating System:Mac, Android 3.0 (Galaxy tab 10.1 8 ... device * Support Android3.0 , IPad, Iphone 3G, 3GS, Iphone 4,4S, MAC 3.0, ... windows,Li-ion Battery* yingxin Keyboard for galaxy tab uses a 650mAh rechargeable lithium polymer ... of continuous use without charging. * USB to micro-USB charging cableLaptop keyboard* The sleek ABS ...