An essential for iPhone or iPod. PowerJolt sports a low-profile plug for your car"s 12 volt socket and a powerful 1 amp charging circuit so your iPhone or iPod can power up quickly and safely. Connect your iPhone or iPod with the included dock cable, to either of PowerJolt Dual"s two USB ports; you have another USB port to charge something else at the same time. With its built-in, self-resetting SmartFuse, PowerJolt protects as it charges.