The Solam SL-500 is an automobile music player with FM transmitter capability. It features a two-color OLED display, 7 EQ modes, 2GB storage capacity, MP3/WMA formats support, and there is a built-in stereo wireless FM transmitter which offers a choice of 206 frequencies comprise between 87.5MHz - 108.0MHz. The Solam SL-500 can be powered by either 12V or 24V from an in-car cigarette lighter socket and it comes with a credit card-sized remote control.

It's available at IPmart for $39.