able planet nc300b true fidelity around-the-ear active noise canceling headphones black
around-the-ear active noise-canceling headphones award-winning sound quality with linx audio tm technology maximum speech clarity filters undesirable sound reduces distortion restricts electromagnetic interference in-line volume control for easy adjustment to safe listening levels state-of-the-art active noise cancellation superior comfort in a foldable design perfect for travel freq resp 20 hz - 20 khz sensitivity 115 db khz off 121 db khz on 3.5 mm plug includes 1 4 home stereo adapter 1 aaa battery hard shell protective carrying case amp airplane adapter black .