Ideal for the traveler, student or music lover. The Able Planet NC192B Foldable Active Noise Canceling Headphones incorporates the latest technology into a convenient foldable size. The Able Planet NC192B Foldable Active Noise Canceling Headphones 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).