car MP3 has memory inside, can play music and has FM , high quality with low price Model:C51 CAR MP31, Support MP3 and WMA ... title / volume size / audio mode; 4, Auto Play function: Insert car cigarette lighter interface can automatically play songs; 5,7 species ... to fold, for different vehicle environment; 9,12 V ~ 24V wide-voltage power supply current: <150mA. 10, Packing: Gi Car MP3 high quality ...