Monster iCarPlay Wireless FM Transmitter/Charger for iPod Monster Smart Digital Charging technology rapidly charges your iPod, and then switches to a trickle charge to optimize its performance. Your music transmits wirelessly to your car stereo using Fm radio frequencies. You can select an FM station on the iCarPlay Wireless, and find the same station on your car stereo, You can plug iCarPlay end into the 12v outlet in car and then plug the other end into dock connector on the bottom of iPod. The iCarPlay is compatible with all iPods that utilize a dock connector, including the iPod mini. Plug iCarPlay end into the 12v outlet in car, and plug the other end into dock connector on the bottom of iPod Select an FM station on the iCarPlay Wireless, and find the same station on your car stereo Or pick your favorite song on your iPod, and you're ready to roll Your music transmits wirelessly to your car stereo using Fm radio frequencies Monster Smart Digital Charging technology rapidly charges your iPod, and then switches to a trickle charge to optimize its performance