This is the 2 Port – USB Car Charger – 3.1A The USB Car Charger is the ideal solution for travel or on-the-go phone charging needs. The 2 USB ports are powered by plugging the Charger into the DV Jack in your car. The Charger has a 5V DC 3000mA output and supplies 2.1 amps of power while the other port supplies 1 amp of power to charge tablets, smartphones, and other USB devices quickly and efficiently The 2 Port – USB Car Charger – 3.1A is the perfect solution for your “on the go” mobile charging needs. For more information on our products please contact our customer service department at 888 518 9505 For all your cable and connecter needs choose Show Me Cables.