USB to Jack AdapterUSB jack adapter cable allows you to use the car's AUX jack to play music via the USB stick. The USB interface is connected to a U disk, which can play MP3 files on the U disk. *Note*MP3 audio decoding and playback function is required Before purchasing, make sure your car GPS , your CD or DVD player has an MP3 audio decoding and playback function. Excellent Sound QualityIn order to maintain Original sound quality, this Male to USB Jack Adapter Car Data Cable is equipped with a more powerful chipset to give you the best listening experience, convert analog audio signals more accurately and provide reduction low and high noise. Standard 3.5 male AUX car audio cable OTG and USB 2.0 plug, stable connection, can support repeated plugging and unplugging. Simple and EfficientPlug and Play. USB Jack No driver is required. With just one plug, the car radio can be transformed into a speaker, opening up the audio world for you at any time. The 3.5mm USB to jack adapter plug is connected to the AUX audio interface of the car radio, and the other end of the USB plug is connected to the U disk. Without additional operation procedures, the car can directly play on the U-disk songs. Small and Durable3.5mm auxiliary audio usb adapter with a length of 20cm (7 .87 inches) and does not take up extra space. Compared with ordinary jackets, the PVC jacket we use is very good in bending resistance, which can effectively prevent cable breakage. Compatible DevicesThis USB Audio to Jack Car Cable Adapter is compatible with most devices with a standard 3.5mm usb to jack adapter audio jack. [Note]: 1.Not all models of this product can be used. It is recommended to read the vehicle manual carefully before purchasing to ensure that the vehicle has MP3 audio decoding and playback functions. 2.cannot charge cellphones or other devices!!!