Feature:The built-in Bluetooth 3.0 wirelesss keyboard Compatible Models: for ipad air2 and for ipad pro9.7inchBuilt-in lithium polymer battery capacity: 100 mAhVoltage: 3.7-4.2 V power charge connectorInput: Micro USB charge 5VRemovable Bluetooth 3.0 ABS keyboardKeyboard standby time: 180 days approxContinual working time: 100 hoursCharging time: 2-2.5 hoursOperating temperature: -20 ~ 40 degrees CelsiusWorking distance: < 10 mButtons use times:5 million timesPackage List:1 x Bluetooth Keyboard for ipad pro 9.7 inch1 x USB Charging Cable1 x ManuaNote: Only the Bluetooth Keyboard,for iPad not included.