The AKG K 480 NC model is a high-end headphone set designed for mature, and active users always on the go. The main K 480 feature is its unique fold and go design that collapses on a three dimensional axis and convenient leather carrying case that are combined for maximum portability. It also includes a fully detachable single side cord for added convenience (comes with two seperate cord sizes), designed to eliminate twisting and tangling wires; a power supply is also connected to the cord. The power supply enables active noise cancelling support to ensure maximum listening quality, and allows no ambient noise. The K 480 headset includes additional features such as iPhone compatibility, soft fabric ear pads for extra comfort, a padded headband, a 2.5mm/6.3mm jack adapter, a flight adapter for use in commercial planes, and is compatible with bluetooth cell phones and supports hands free calling; which is provided by an optional adapter. The AKG K 480 NC headset was released on August 29, 2005 and has an MSRP of $199.99.