Ring mm-audio-mm-12 is a 12 "male-to-male stereo 3.5mm audio cable. From True Netstrand. It can be used to connect mp3 players, mobile phones, and computers to speakers or other devices with a 3.5mm input. One of the most common uses for these cables now is in-car audio. These cables are perfect for connecting the headphones on your smartphone to an auxiliary input on your stereo audio output, allowing you to play your own music through your vehicle's speakers. 3.5mm cables. It can also be easily adapted to a variety of other formats such as RCA and 1/4 "connectors, making them one of the most versatile available. With solid tips and a flexible outer jacket, these 3.5mm stereo cables. They are ideal for use in your car, home, or anywhere else. Heavy-duty molded strain relief and headers boots protect cables where they are most vulnerable- right on quality, to ensure a static-free connection even after years of use. This cable can be used with any 3.5mm cable. From fivefold dividers, adapters, and extensions for crystal clear sound in any setup. These cables are for stereo audio applications only, and cannot be used where a third channel is needed for voice or video. From fivefold dividers, adapters, and extensions for crystal clear sound in any setup. These cables are for stereo audio applications only, and cannot be used where a third channel is needed for voice or video. From fivefold dividers, adapters, and extensions for crystal clear sound in any setup. These cables are for stereo audio applications only, and cannot be used where a third channel is needed for voice or video.