Sanoxy 360 DEGREE SMART ROTATE SWIVEL COVER CASE STAND and BLUETOOTH KEYBOARD for IPAD 2/3/ 4, 360 Rotating Black (SANOXY_IP2-BT-KYB) Ideal for students, business persons, travelers, etc. Simple and beautiful appearance, comfortable touch feeling SANOXY 360 Degrees Rotating Stand for horizontal or vertical viewing while in the case Moveable wireless Bluetooth slide-out keyboard can be convenient for you to adjust to 4 different viewing angels Build-in rechargeable li-ion battery