... polishing, without blemish,encaosulation IC, with usb and SD card interface,easy to use,and durable. Commodity name: The beatles car ... screen,with english display function,with usb and SD card interface,no memory card. Operating characteristics: Copy the MP3 to the ... or U plate, and then put the on-board MP3; The on-board MP3 is inserted into the 12 V car cigarette ...