... Ultral-thin, laptop style hard keyboard, Multifunctional and 650mah rechargeable lithium batteryOperating System:Mac, Android 3.0 (Galaxy tab 10. ... MAC 3.0, windows,Li-ion Battery* yingxin Keyboard for galaxy tab uses a 650mAh rechargeable lithium polymer battery ... PrevTrack, Play/pause, Next/Track, Mute, Volume- ,Volume+, Lock screen.Keyboard Size andWeight * Height:0.8CM * Width: 26cm * Depth: 18cm ...