The 3.1Amp dual USB car charger allows you to quickly and safely charge two USB powered devices simultaneously. It's dual-port interface features one 5V/2.1A USB charging port, ideal for ultra-fast charging devices such as iPad (including iPad Mini) and other tablets, and one 5V/1A USB charging port for iPhone, iPod and other USB powered devices. This high quality and ultra-compact charger works with any standard in-vehicle power outlet and features a translucent ring around the USB ports that glows blue to indicate power being passed through. It is a handy tool to keep your devices fully charged and ready to use while you are on-the-go.