Dual USB Car Charger White with Socket for 3GS $ 5.21
2010-09-14 38 Dailymotion
Universal dual USB car charger with socket can charge 2 USB devices at the same time. The adapter includes short-circuit protection and automatic overload cut off protection. http://www.chinabuye.com/dual-usb-car-charger-white-with-socket-for-3gs