Adaptive Fast Charging to charge your 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 Package Contents: Adaptive Fast Charging USB AC Adapter, Detachable Micro USB to USB Cable Charger Type: Micro USB w/ Adaptive Fast Charging Compatibility: Samsung Adaptive Fast Charging (AFC) compatible devices. Adaptive Fast Charging Wall Charger Detachable microUSB-USB Cable With the new Adaptive Fast Charging (AFC) technology for Samsung AFC compatible devices, your battery can go from zero to up to 50% in about 30 minutes, so you can spend less time connected to an outlet and more time connecting with people you care about. The Adaptive Fast Charging wall charger will charge other Micro USB devices without the Adaptive Fast Charging feature as well, with just a standard 2 Amp charging rate.