Size: 2M 3.5 mm TRRS Audio extension cable Suitable for the extended connection of 3.5 mm audio interface devices, such as laptop, mobile phone, MP3, iPad audio extension cable connection; 3.5 mm TRRS male-to-female stereo Audio extension cable Add length to an existing 3.5 mm male-to-male stereo audio cable; Functioning as an extension piece, the cable provides added length, making it easier than ever to connect iPods, iPhones, media players, and other devices to a car stereo, portable speaker, or other compatible 3.5 mm audio-output device; To use, simply connect the female end of the cable to an existing 3.5 mm 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 3.5 mm audio jack or AUX-in port; With the 3.5 mm male-to-female stereo audio cable, extend your audio connection capabilities, then let the world of sound surround you!