Adaptive Fast Charging to charge your Samsung AFC compatible device's battery from 0 to 50% in about 30 minutes Charge other Micro USB devices at a 2A speed. Charge your phone from a wall outlet via AC adapter and Micro USB cable Sync and transfer files via micro USB data cable. Adaptive Fast Charging USB AC Adapter, Detachable Micro USB to USB Cable. Micro USB w/ Adaptive Fast Charging.