Aukey Mini Dual Port USB Wall Charger, Black, PA-U32 adapter is designed with AiPower Adaptive Charging Technology. This makes it compatible with multiple types of devices. It prevents overcharging by providing only the required amount of current and voltage to each device. It also allows fast-charging for a multiple number of devices that are USB port supported. It supplies 2.4A current to each device at a time. It is a universal charger for all USB-powered devices, which includes iPhones as well alongside Android phones.