EMPIRE 36" 3.5mm Male to Male Stereo Auxiliary Cable for iPhone 4/ 4S [EMPIRE Packaging] Listen to music on any stereo that features a 3.5mm aux input port. Great way to hook up your phone/iPod to your cars stereo. Expand the way you hook up and listen to your music. Connects to any 3.5mm device and hooks to any 3.5mm device port.