Belkin TuneCast II FM Transmitter for MP3 Players
Now you can use your iPod, PDA,MP3, CD, cassette player, PC, or laptop to listen to your favorite tunes through any FM stereo receiver. The Belkin TuneCast II Mobile FM Transmitter wirelessly connects...
Pros: Access to your entire MP3 collection on any FM frequency w/o broadcasts
Cons: Update-- died within a year.