ITEM NAME:3.5mm 1/8 inch Male AUX Audio Plug Jack to USB 2.0 Female Converter Cable Cord Description: -Attention for Using: Make sure the audio system(3.5mm AUX interface of the GPS, CD, DVD audio) on your car is equipped with MP3 audio Decoding Playback Function.Only under this.Only car AUX interface have the function of read U disk can use this kind of line. 3.5mm male: plug into the car AUX port. 1 Piece 3.5mm Male Jack to USB 2.0 Female Converter Cable. -Connector A: Female USB 2.0; Connector B: Male 3.5mm Plug.