Overview the K 240 studio Headphones from AKG feature a semi-open circumaural design, and use patented Varimotion technology and extra-large transducers to deliver extremely precise, detailed sound. The headphones have a self-adjusting headband, as well as thick Around-Ear cushions for lasting comfort. The single-sided detachable straight cable resists tangles and can be easily replaced. The cable has a gold-plated 3.5mm plug with a 1/4″ Screw-on adapter to provide wide compatibility with consumer and professional audio devices. It comes with an Auray cohh-1 headphone holder With padded cradle and adjustable angle attaches to either a horizontal or Vertical surface in order to support One full-sized pair of headphones and a 25′ Extension cable. In the box AKG K 240 studio professional semi-open stereo headphones gold-plated 1/4″ Adapter detachable cable limited 2-year warranty Auray headphone holder With padded cradle and adjustable angle Limited 1-year warranty 25′ Extension cable complete with a 90-day warranty