E-Stand Bluetooth Keyboard with TouchPad and Cover (SA-KB-TOUCHPAD-BLK) Compatible with all sized Android tablets with Android Honeycomb 3.1 or later Built-in rechargeable lithium battery (lasts approx. 45 hours per charge) Energy saving auto sleep mode when idle longer than 10 minutes Special function key are sleep, lock, slideshow, home and much more Stylish folding PU leather covering coverts to stand