... capacity: 450mAh. - Battery life: 3 years.- Key life: 5 million strokes.- Operating temperature: -10C - 55C.5.Bluetooth keyboard charges using standard Micro USB ... , for Linux, for iPad, for iPhone 4, for iPhone 3G(S).8.Accessories: USB to Micro USB cable, user guide.9.CE&RoHS&FCC&Bluetooth approved. Bluetooth Keyboard for iPad ...