40mm Driver Unit Hi-Fi / Music & Movie Headphones - Experience Greater Movie & Music Enjoyment with Outstanding Hi-Fi Sound Quality. - Closed-type headphones with long stroke diaphragm for dynamic, movie-quality sound. - Sound mode switch for movie and music enjoyment. - Comfortable fit with parallel link free-adjustable headband and urethane leather ear pads. - Ear-conscious design for wearing comfort. - Large 40mm driver unit with 360kJ/m³ high power neodymium magnet for outstanding sound quality 2 metre cord for the freedom to listen anywhere at home.