An essential cable for iPod, iPhone or any music player with a 1/8" (3.5 mm) stereo-mini headphone jack. Use this handy, high-quality stereo cable to connect your iPod, iPhone or other music player to car stereos, boomboxes, home entertainment systems.. . anything that uses a 1/8" (3.5 mm) stereo mini port for headphone or auxiliary audio input.