Bench 2X Faster Micro USB Charging Data Cable for Android SmartPhone (Black) DouBBleTime cable improves the electric current of USB power unit( PC or Automobile) up to 2000mA Charge your phone battery from 0 to 100% in less time than it takes to run a 1/2 marathon. Turning the switch ON to DouBBleTime mode results in faster charging time for your device when plugged into your computer or USB port in your car. It makes smartphone can recognize USB device as the AC charger. Fast Charging AND Secure