Anti-interference audio transmission line: The 3.5mm plug of this line is connected to the car's audio AUX audio interface, and the other end of the USB is connected to the U disk to realize the car playing U disk songs, and the sound quality of the music is pure and clean. | Application: for car AUX audio interface.Environmental for protection wire: The outer skin of the wire is made of PVC environmental for protection rubber particles, which is non-toxic and harmless, resistant to high and low temperatures, and can be used with confidence. | Function: Car audio signal transmission connection U disk.Gold-plated technology: plug gold-plated technology, strong anti-interference and anti-oxidation to protect the plug from damage, exert the shielding effect, stable signal transmission, smooth transmission | 3.5mm Male Audio AUX Jack to USB 2.0 Type A Female Adapter OTG Cable Converter B8F5 This cable can let you play music through USB flash with your AUX socket in your car.|Not all the car with this interface can use this kind of cable.|Some car AUX without decoding function,so can only use MP3 device,(only car AUX interface have the function of read U disk can use this kind of cable) | Not all the car with this interface can use this kind of cable. Some car AUX without decoding function,so can only use MP3 device,(only car AUX interface have the function of read U disk can use this kind of cable) When using, U disk had better not store too much, specific to the car AUX can support how much capacity.U disk can not have other documents inside and do not establish folder.MP3 format music is used.