Do you want to possess a wonderful keyboard for iPad 2/3/4 so that you can use it easily and happily? Come on! Today we highly recommend this Bluetooth Keyboard with 4000mah M3 Back-up Battery for iPad 2/3/4 Silver for anyone looking for a wireless keyboard. With good hand feeling， you can type the words or play games smoothly. What is more， it lets you experience crisp tactility and sensitive keyboard response. This is the thin profile easy to take on the go! All in all， this Bluetooth keyboard is perfect for our uses.                                    Features             Compact， lightweight <br> Bluetooth wireless transmission. You can communicate with devices which have built-in Bluetooth in the range around you<br> Thin profile that is easy to take on the go<br> This creative and easy-to-use Bluetooth keyboard will bring you a whole new wireless life experience<br> This Bluetooth keyboard touches comfortably<br>                                                            Specifications            Material    ABS    <br>Color    Silver    <br>Dimensions    (24.8 x19.7 x 2.2)cm / (9.76 x7.76 x 0.86)" (L x W x H)    <br>Compatible with    iPad 2/3/4    <br>Weight    910 g / 32.1 oz    <br>Sleeping Current    600uA    <br>Modulation System    GFSK    <br>Operation Voltage    5.0V    <br>Working Current    2.5mA    <br>Lithium Battery Capacity    4000mA     <br>                                                            Package Includes            1 x Bluetooth Keyboard <br>1 x USB Cable<br>