Stereo School Headphone W/Leatherette Ear Cushion (Pack of 20) Stereo sound offers full audio depth for excellent sound quality 3.5Mm plug enables the headphone to be compatible with pc and mac Adjustable headband for secure fit Very durable, comes with a 3-year warranty (6 months on ear cushions) Comfortable leatherette ear cushions. Comes with a lengthy 4 cord