usb mini fm radio/sd mp3 hi-fi mp3 ... :500 pcs Product Nameusb mini fm radio/sd mp3Mode No. ES-214Function Mp3 player , FM radio ( Optional)Used for Car ... audio, common civil life using and so onVoltageDC 12V Power inputDC 12V 300 MA Power rating1WFm radio ... function: previous, next, pause, volume regulating, FM searchingWith earphone socket, can be connected to earphone ...