Dual Port USB Mini Car Charger For Phone MP3 MP4 Black Dual Port USB Mini Car Charger For Phone MP3 MP4 Black Mini Universal USB Car Charger Adapter This adapter plugs into your car's cigarette lighter jack to become a powered USB port Suitable for any devices that can charged through USB interface, such as MP3, MP4, iPod, Digital cameras, PDA, Cell phone etc Double USB socket ,standard USB 5 V power