BERANMEY 3.5mm Male Audio AUX Jack to USB 2.0 Type A Female Adapter OTG Converter, this adapter 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 adapter. Some car AUX without decoding function (Only car AUX interface have the function of read U disk can use this kind of adapter)
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.

NOTICE:
VERY IMPORTANT, IF YOUR CAR HAVE NO DECODE FUNCTION, DON'T BUY IT, OTHERWISE IT WILL DON'T WORK!! IT DON'T MATCH ALL KINDS OF CAR!!

Pls Note:
1.Only work for car aux port, can't support headphone, speaker, MP3 etc..
2.The aux port of car must have audio decode function.
3.Only support small U-Disk capacity (below 8G)
4.Only store MP3 music format files, don't store other files in your U-disk.