... Multifunctional and 650mah rechargeable lithium batteryOperating System:Mac, Android 3.0 (Galaxy tab 10.1 8.9, Xoom), Windows 7,Vista, XP ... with touch pad folio case.2. Compatible with galaxy tab 10.1’3.Keyboard Material: ABS 4. Folio Material: High quality ... PU, carbon fiber strain. 5. Bluetooth 3.0. 650mah rechargeable Lithium battery Bluetooth Touchpad keyboard for Samsung ...