Color Black Model CWBT-31 V1 2.4 Quantity 1 Piece Material ABS + aluminum 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 1IPOD TOUCH 5IPOD TOUCH 4IPOD TOUCH 3IPOD TOUCH 2IPOD TOUCH 1IPOD NANO 7IPOD NANO 6IPOD NANO 5IPOD SHUFFLE 4IPOD SHUFFLE 3IPOD SHUFFLE 2IPOD SHUFFLE 1IPOD CLASSICOthersWINDOWS 8 / Google Supports System IOSLinux Connection Bluetooth Bluetooth Version V3.0 Keys 83 + 17 Operating Range 10 m Powered By Built-in Battery Built-in Battery Capacity 470 mAh Standby Time 360 Hour Charging Time 4~5 Hour Working Time 140 Hour Other Features Compatible with PC / MAC / Linux / Android / IPHONE / IPAD Packing List 1 x Bluetooth keyboard 1 x Micro USB charging cable (71cm)