Car MP3 player read the MP3 audio file in the USB flash disk and
transfer the audio signal to the car FM tuner through the built-in
FM transmitter. You enjoy the MP3 music through the car FM tuner.
It also has LINE-IN feature which transfers the audio source from
the external audio device such as CD, MD player to the car FM
tuner. Just insert the USB flash disk which stores MP3 files to the
USB port or connect to an external audio device, and adjust the car
FM tuner to the channel which is indicated on the car MP3 player,
now you can enjoy your favorite musi