Sennheiser HD 65 TV Closed Back Dynamic Headphones for TVs Closed, around-the-ear design blocks outside noise and prevents sound leakage.Connectivity Technology: Wired Neodymium magnets and lightweight diaphragms deliver excellent speech intelligibility and powerful sound reproduction High-quality leatherette ear pads for outstanding comfort during long listening sessions Independent left and right volume control provides separate level settings for each ear Includes 6.3 mm stereo adapter and 17-foot-long extension cable with integrated volume control