FM Transmitter for Sony Walkman Includes Car Power Cable for Transmitter
While easy to use the unit only provides 4 different pre-chosen frequencies to transmit, most of which are popular here in the US with radio stations. Therefore those won't work well since it is competing with the signals in the air at the same frequency. I was lucky to find the fourth setting 106.7 to work somewhat, though I actually have to tune the car radio to 106.9 for the clearest signal.  The first unit that they sent me did not work, so they had to send me a second unit. This is made in China and qu