[Ivan] made something special with this car stereo hack. He altered the head unit to play MP3 files from USB and added an auxiliary line-in. But looking at it you’d never know. That’s thanks ...

The analog AUX jack enables any music player to play back through the vehicle's speakers, while the USB port allows music, metadata and playlists to be transferred between iPods and other digital ...

But you can also get something like this JMOX USB-C to 3.5mm Audio Aux Jack Cable, which ends in the protruding, male connector. This is designed for plugging directly into your car's auxillery 3 ...