The K553 Pro’s over-ear design and soft, leatherette earpads ensure comfortable listening for hours on end, and the adjustable headband accommodates the biggest of heads with room to spare. The headphone folds completely flat for a relaxed fit around the neck and easily fits into a bag for those on the go. The 1/8” termination and included gracefully designed 1/4" adapter ensure the K553 plugs right into your existing equipment for immediate enjoyment.