The 3068AV-10L delivers performance at an economical price for 1:1 instruction in listening centers and library uses. One advantage of the 3068 is its ability to switch between typical monaural functions (for English Language Learning / English Language Development, language labs, speech pathology applications) and the stereo mode for use with computers and for music appreciation classes. Padded headband comfortable enough for extended wear Fully adjustable to fit all sizes Mono/Stereo switch for language and computer applications Permanently attached with reinforced "strain" relief connection resists accidental pull out Lengthy 10 foot coiled cord with 3.5mm plug & snap-on 1/4" adapter to fit all media players Dual volume controls on each earcup for comfort Noise-reducing earcups lower ambient noise so volume does not need to be as high, as recommended by audiologists for hearing safety Rugged ABS plastic headstrap and earcups resist breakage in high-use situations, replaceable leatherette ear cushions Windows and Mac compatible Warranty for school use - unlike headphones purchased at consumer electronics stores whose warranties would be voided if used in schools