... lightwe Model NameKW-WKU02 Bluetooth Keyboard PRO 12'' for apple seriesWireless Mode Bluetooth 2.0with BROADCOM BT ICButtons78 keys ( including 13 I ... , MutePower Low IndicatorPower Low Indicating on Top. ( 2.2V to 2.1V )charge time3HoursPower Consumption6 mA for peak OperatingOperating / Storage Temp.0oC - 50oC ... , UPS, EMS, FedEx, etc Hot selling!Super bluetooth wireless keyboard for ipad 2