Pack of 2, Honsky Premium USB to 3.5 Mm Audio Stereo Auxiliary Jack Adapter Converter, USB 2.0 Female to 3.5mm Male AUX Cable , Only for Trasmitting Music in Mp3 Format in USB Flash Drive to Auto Car 3.5mm Aux-in System - White Color 1. The cable is high-quality. PLEASE PAY ATTENTION TO THE NOTES IN DESCRIPTION BEFOR BUYING. If it not working, please contact our customer service for technical solution or return/refund service. 2. The cable is ONLY used to convert USB flash drive to car 3.5 mm aux system for listening music in MP3 format. 3. The cable does not work with your USB headphone, usb headset, usb speaker, usb microphone, USB wired mouse, and USB flash drive on your PC, cell phone, tablets, computer, ipad, ipad mini, CD player, mp3, ipod, and other audio device, and neither would it charge your cellphone or devices in your car. 4. Please make sure your auto car 3.5mm AUX-in port support audio decoding (USB OTGfunction, that can read the mp3 files from USB flash drive. 5. Including 2 packs of Honsky USB to 3.5 cable, a premium cable organized pouch, a user manual, 180 days warranty.