With SanDisk's Sansa Car Transmitter, you can listen to all the music stored on your Sansa e100 series MP3 player through your FM car radio. Simply place your Sansa e130 or e140 in the custom holder, which sports a flexible steel neck for easy positioning. Then choose any unused FM frequency for clear sound, anywhere. The cradle includes three programmable preset buttons to switch easily between preferred transmission frequencies.The SanDisk Sansa Car Transmitter attaches to a standard cigarette lighter output, providing power to your player, and saving your device's battery life.For a complete compatibility list please refer to the original manufacturer's web site.

The Sansa e100 FM Transmitter lets you listen to all the music stored on your Sansa e100 series MP3 player through your FM car radio. Just put your Sansa e130 or e140 in the custom holder, which sports a flexible steel neck for easy positioning. Then choose any unused FM frequency for clear sound anywhere. The cradle includes three programmable preset buttons, letting you switch easily between preferred transmission frequencies. You can power the FM Transmitter by battery, or you can always plug it into a cigarette lighter output to extend its battery life. You can also take your FM Transmitter with you once you've left your car by attaching the holder to your clothes.