Power Duos AC & DC chargers deliver 2.1 amps of power for fastest possible charging of your iPad, iPhone or iPod. Combines our best-selling Power Block AC charger & Power Jolt auto charger in one convenient bundle to keep the music going wherever you go. Power Duos detachable dock cable can be used separately to charge & sync your iPad, iPhone or iPod separately. To charge other devices, use the cable that comes with your device & plug it into Power Jolt’s USB (Universal Serial Bus) port.