Sanoxy 25-Feet 3.5mm Stereo Audio Male to Female Extension Cable. 3.5mm Extension Cable 25 Feet - 3.5mm Female To Male. 3.5mm Extension Cable Extend the cable connection between your Smartphone, tablet or MP3 player with a car stereo, portable speaker or other 3.5mm stereo audio output. Supports devices containing a standard 3.5mm auxiliary jack.. Portable DVD players, laptops, portable CD players, MP3 players, iPods, pcs, and projectors all have one thing in common a 3.5 mm 1/8in. stereo audio jack. This stereo audio extension cable features a 3.5 mm male plug on one end and a female jack on the other.. 3.5mm Male to Female Stereo Audio Cable - 25 Feet 7.62 Meters by Sanoxy. . 3.5mm male-to-female stereo audio cable transmits audio in stereo format. Extends length of existing 3.5mm male-to-male cable not included. Works with any device equipped with standard 3.5mm audio jack or AUX-in port.. Simply connect the female end of the cable to an existing 3.5mm male-to-male cable and the male end of the cable to the respective port on a compatible device. The audio cable works with any device equipped with a standard 3.5mm audio jack or AUX-in port.