In Car 4-in-1 WMA/MP3 Wireless Modulator/FM transmitter for SD Card, USB Pen (Flash) drive and MP3 players (like iPod). White with Remote Control. MP3/WMA FM Modulator with USB Port, SD card slot and audio input jack. Plays all your audio devices wire-Free through your car's stereo system FM Radio. Easy-to-read LED shows FM channel and track number. Large, dual-function buttons and adjustable, 6-postion body allow for easy operation. A remote control and a 3.5 mm audio cable are included.