Unique Gomadic FM Transmitter with an integrated DC Auto Charger designed for the Blackberry Touch 9860
this is really a 'plug and play' electronic.  Literally, plug, tune radio and charger to open station and my music app played.  You may have to move from station after it's not as clear anymore or you will start to hear your RPM thru the radio.  Added bonus - it charges your phone while you play or your battery would be dead after 30 min.