NC1000CH Noise Cancelling Headphones...

Patented Linx Audio Technology for Optimal Sound Quality and Speech Clarity State-of-the-art active noise cancellation (ANC) to reduce undesirable sounds and background noise Operates as normal headphones when ANC function is turned off, or if batteries run out Lightweight adjustable headband provides superior fit Ideal for creating your own personal space filled with crisp, clear sound or nothing at all 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 LINX AUDIO ADVANTAGES Award Winning Sound Quality Maximum Speech Clarity Filters undesirable sound Reduces distortion