The mu2mmfs 2m audio extension cable features one male and one female 35mm 18rdquo trs audio connector making it easy to extend the reach of your headphones earphones between your iphonereg mp3 player or other mobile audio devices and your stereo system to ensure long lasting performance this high quality extension cord features molded pvc strain relief at each of the mini jack connectors which prevents the cable termination points from bending at sharp angle