Padded headband comfortable enough for extended wear Fully adjustable to fit all sizes Mono/Stereo switch for language, computer and music appreciation classes Permanently attached with reinforced "strain" connection resists accidental pull out Foam-lined carrying case stores twelve headphones and is ideal for itinerant teachers, mobile AVcarts, computer labs Lengthy 10 foot coiled cord with 3.5mm plug and snap-on .25" adapter to fit all media players Dual volume controls on each earcup for comfort Around-ear ambient noise-reducing earcups deliver maximum protection against exterior sounds Rugged ABS plastic headband and earcups resist breakage in high-use situations, replaceable leatherette ear cushions IBM, iMac and Mac compatible One year warranty for school use - unlike headphones purchased at consumer electronics stores whose warranties would be voided if used in schools Replacement earpads available For other Califone Headphones and Headsets