The Shure 3.5mm Stereo Headphone Extension Cable is perfect for allowing for extra movement using your headphones extending your cable length by 3 feet (91cm). With a universal 3.5mm male and female connector this cable is compatible with all headphones featuring a cabled connection and is compatible with phones MP3 players amplifiers streaming devices and many more with a 3.5mm output. The sleek design of the EAC3 allows for simple storage when not being used and wont inhibit movement whilst in use.