... , then insert power bank's input socketConnect the other side of USB cable with PC USB port, ... phones and other 5V USB devices, hold the on/off button can turn on charging for them, meantime the LEDs ... When power bank charging for MID, mobile phones and other 5V USB devices, hold the button can turn ... off charging. Once the MID, mobile phones and other 5V USB devices,are fully charged, the product will ...