For convenient storage and transport, the MC-250 headphones utilize a collapsible folding design, which enables them to fit neatly in the supplied soft carry bag. The detachable 9.8' single-sided cable features a 3.5mm stereo mini-jack that locks into one earcup. The other end of the cable is terminated with a straight 3.5mm plug to allow easy connection to a variety of mobile devices. It includes a gold-plated 1/4" adapter for compatibility with dedicated headphone amplifiers, mixers, and audio interfaces.