... /mp3 !support FM transmitter !uses as car adapter Car radio mp3 FM-07 is a classice car mp3 player,which can support bulit-in memory ... . *support USB port 2.0, USB driver,direct USB mp3 player etc.*support card reader too, which can support sd card ... , which has FM frequency from 87Mhz to 108Mhz.*uses as car adapter.Accessories: car charger,manual book,fm transmitter.blister packing.