Car MP3 FM Modulator??

How to use: 1) Download file: connect the line with a computer through the attached cable line, then download MP3, WMA, or ASF files to the root folder 2) Plug the unit into the cigarette lighter of your car, the red indicator lamp lights. In several seconds, this line will begin playing automatically 3) Now the indicator lamp flashes 4) Press the CH button to select an FM channel according to the FM indicator lamp 5) Tune the frequency of your car\'\'s stereo to the same as the unit, then enjoy your music