Able Planet True Fidelity Active Noise Canceling Headphones (Discontinued by Manufacturer) Patented LINX AUDIOTM technology provides award winning sound quality and Detachable, single-sided cable helps to minimize tangles and has an inline volume control State-of-the-art active noise cancellation (ANC), to reduce undesirable sounds and background noise Operates as normal headphones Ideal for creating your own personal space filled with full rich sound or nothing at all Lightweight adjustable headband provides superior fit Full-size ear cups with soft cushions swivel for maximum comfort In-line volume control enables easy adjustment to safe listening levels for hearing preservation