Color Black Model BK-972 Quantity 1 Set Material Plastic Compatible Models IPAD airIPAD MINI 2(IPAD MINI WITH RETINA DISPLAY)IPAD MINI (1ST GENERATION)IPAD 4THE NEW IPAD(IPAD 3)IPAD 2IPAD 1 Supports System IOS Connection Bluetooth Bluetooth Version V3.0 Keys 65 Operating Range 10 m Powered By Built-in Battery Built-in Battery Capacity 220 mAh Standby Time 400 Hour Charging Time 3-4 Hour Working Time 100 Hour Other Features Frequency band: 2.4~2.4835GHz unlicensed ISM band; Receiving sensitivity: -75dBm (standard); RF output power: 4dBm maximum; Standby time: 400 hours; Power: Charges by USB Packing List 1 x Ultra slim mini Bluetooth keyboard 1 x USB cable (62cm) 1 x English user manual