Bluetooth keyboard case for iPhone 3gs 1,Functionable 2,Fashion design 3,Durable,long atandby time 4,WithUSb int Bluetooth keyboard case for iPhone 3gs Introduction This ... this time you could use the USB cable connected to PC to charge the keyboard. When charging, the power indicator ... . 1.3 Please do not squeeze hard, or fell, smashing the keyboard. 1.4 Please do not drag the telephone cable ...