... ,ipadMini bluetooth keyboard is a friendly companion for your smartphone, PC, PS3. It can be applied in Apple iPhone, iPad, smartphone ... mBluetooth Version: 2.0Battery Duration:Constantly use: about 50 hoursStandby: 400 hoursPower: Charges by USBCharging time: 2.5 hoursDimensions: 115 x ... quality Handy 49 keys Mini Bluetooth Keybaord for PS3,Tablet PC ,Smartphones,pc and HTPC