1、HIGH PERFORMANCE: Headphone extension cord supports stereo sound and all headphone functions, including play, pause, forwarding, answering calls, and more. 2、SUPERB FEATURES: Male to female earphone extension cable supports microphone functionality and is compatible with any device with a 3.5 mm 3 pole plug and a 4 pole TRRS accessory. 3、COMPATIBLE DEVICES: Headset extension cable is perfectly compatible with any device with a 3.5mm AUX port, such as cars, home stereos, headphones, speakers, for iPhone, for iPod, etc. 4、PREMIUM MATERIAL: AUX stereo sound cable is made of oxygen free copper and TPE to ensure reliable performance and minimal signal loss. Soft, stretch resistant and long lasting. 5、2PCS AUX CORD: You will get 2 3.5mm male to female high quality stereo sound cable at a time and the cable length is 2m / 6.6ft, which could be the best choice for you.