Feamos 3.5mm Male AUX Audio Plug Jack To USB 2.0 Female Converter Cable Cord for Car MP3 USB to 3.5mm audio jack cable,Connector: Male to Female Stereo Extended/Music Tone Pure and Clean 3.5mm male: plug in the car AUX port Use for vehicle navigation, vehicular audio The 3.5 plug of the line connect to the AUX interface of the car , the USB interface connect to the U disk, Implement auto plays songs of USB flash disk;