SainSonic Car MP3 Player, Red with USB/SD/Card Reader MMC Slot & Remote Control Car MP3 WMA Player/ FM transmitter, compact and fashionable design. Support SD/MMC memory card(Max 8GB) and USB flash drive (memory card not included) Charge your USB device through the USB port (Charging cable is not included Volume rotating button and power switch in one bottom. 7 built-in EQ: Normal, ROCK, POP, CLASSIC, Country, JAZZ, DBB.