Marathon DJH-1200 Professional High Performance Stereo DJ Headphones. Designed for maximum comfort when headphones are used for longer periods of time. Folding with Universal Pivot Joint — The pivot allows the headphone to be folded for comfort and easier storage, and also enables the DJ to turn the headphones in either direction for free-style single ear monitoring. Large Diameter 57mm Driver — High power input (3,500mW) for monitoring High levels of sound. Hermetically sealed body with High sound-insulating ability.