Color custom10000 Model KB651 Quantity 1 Piece Material Aluminum alloy + plastic Compatible Models IPHONE 5SIPHONE 5CIPHONE 5IPHONE 4IPHONE 4SIPHONE 3gsIPHONE 3gIPAD airIPAD MINI 2(IPAD MINI WITH RETINA DISPLAY)IPAD MINI (1ST GENERATION)IPAD 4THE NEW IPAD(IPAD 3)IPAD 2IPAD 1 Supports System Win xpWin 2000Win 2008Win vistaWin7 32Win7 64Win8 32Win8 64MAC OS XIOSAndroid 2.xAndroid 4.x Connection Bluetooth Bluetooth Version V3.0 Keys 82 Operating Range 10 m Powered By Built-in Battery Built-in Battery Capacity 120 mAh Standby Time 1440 Hour Charging Time 3 Hour Working Time 60 Hour Other Features Compatible with tablet PCs within 10.1"; with foldable stand for tablet PC; supports Android/iOS/windows system; uses rechargeable Li-polymer battery. Packing List 1 x Keyboard 1 x Micro USB cable (80cm)