You can play your choice of music from your own external audio device, via your car's sound system. The USB AUX in port offers you a fast and easy link to files on your MP3 player, iPod and USB memory stick. It's easy to connect a compatible device to the sound system via a universal port, using a suitable adapter cable for USB or compatible Apple iPod dock connector. Folders and menus can be navigated via the car's sound system, with the track playing shown on the radio or radio-navigation display. The port also charges your device with a 5-volt charging current.