The Able Planet True Fidelity NC200B Noise Canceling Headphones is deal for the traveler, student or music lover. The Able Planet True Fidelity NC200B Noise Canceling Headphones is the latest technology at an affordable price and convenient foldable size. The NC200B features an adjustable headband, superior sound quality and clarity, patented LINX AUDIO technology, in-line volume control for easy adjustment to safe listening levels (no more hunting for the volume control) and state-of-the-art active noise cancelation (ANC). With over 20 International CES and CTIA awards, the sound quality of the Able Planet True Fidelity NC200B Noise Canceling Headphones will delight even the most discernable ear.