The 6 in 1 car kit for iPod is alightweight portable charger for users on the go simply plug it into your car is cigarette lighterand connect it directly to your data/charging port on your ipod tocharge digital wireless radio transmitter wirelessly connects portable music players to your car or home stereo quickly and easily. tune your car radio to the ciearest fm frequency, and enjoy your digital music with full stereo sound and convenience the digital tuner locks digitally into the clearest have been tested by industry professionals to ensure they are of the highest quality and long lasting.