Designed for high visibility, this all-in-one AC/DC charger will plug into any 12 volt vehicle socket or home AC wall socket. Dual 3.1 AMP total output lets you charge two devices at once. Use your existing USB cable to charge any USB device including iPods, iPhones, iPads, BB and Galaxy models. Foldable AC plug for easy storage. Intelligent chip prevents overheating and overcharging. cULus certified and FCC compliant