1.special design for iPhone4/4S 2.suitable for smart phone, PC, HTPC, laptop,PS3, tablet PC 3.portable ... 4.black color Features•50-plastic keys keyboard,special design for iPhone4/4S•Bluetooth wireless connection•Up case hold iPhone,stand ... distance: 10metres•Dimensions: 117.5*61.5*18.5MMSystem supported:•Mac., IOS, Symbian S60, Android, window mobiles 5.0 or above ...