3-in-1 SD/USB/MP3 Wireless In Car FM Modulator 3-in-1 SD/USB/MP3 Wireless In Car FM Modulator General Features: In Car Cigar Plug style (12V) 15 FM Frequencies USB interface Supports SD/MMC card Reads MP3/WMA files LCD display Earphone jack Buttons: Previous button Next button On/Off button FM Frequency down FM Frequency up Regulatory Approvals: FCC CE