Mutant MIG-NC102 Noise Canceling Headphones, Black Active noise canceling technology that cancels external noise for a superb listening experience. Noise level reduction of 18dB at 300Hz . Full range 40mm dynamic drivers deliver high quality music with crystal clear details. Soft ear cushions designed to establish an acoustical seal help to further reduce external noise. Comfortable headband and ear cushions for extended use on long air flight and music listening. Gold plated airplane adapter and carrying pouch included.