Car MP3 Transmitters are also known as FM Transmitters or Modulators. It's an inexpensive way to get your downloaded / ripped music off your computer and into your car. The sound quality / level is only limited by your car's stereo system! Top of the range models feature better FM transmission stability, built-in flash memory, and remote control.
Another way to have MP3 music in your car is to get a Car Stereo DVD Player.
See also MP3 Players
and MP4 Players.
Car MP3 Transmitters are universal items and will work in all cars worldwide. Usage is intuitive and as long as you know how to save music off your music CDs into MP3 or WMA format, it's easy to copy the files by USB onto your player and listen in the car.