USB AM to 2.5mm jack cable for 4 way 1)UL2725,OD:2.5&3.5mm 2)used for mobile phone/MP3/Mp4 3)OEM ... /ROHS approve USB AM to 2.5/3.5mm jack cable1.UL2725 od2.5/3.5mm one core(optional)2.Black color3.Used ... ,MP44.OEM orders are welcome5.Compliant with usb 2.0& 1.1&1.06.ISO9001,ISO14001,UL,CE,CB,ROHS approved Having 10 ... more information,thanks for your time! USB AM to 3.5mm stereo jack cable