SANOXY&reg; 360 Degree Smart Rotate Swivel Cover Case Stand + Bluetooth Keyboard for iPad2/3/4 (iPad Black/Silver) Built-in rechargeable lithium battery. Ultra-thin, easy to carry. Ideal for students, business persons, travellers, etc. High quality protective case stand specially designed for iPad 2/3. Item Size: 24.5 x 20.5 x 2cm / 9.6 x 8.1 x 0.8inch