The full-size noise-isolating Koss Pro DJ200 headphones are the next step up from the incredible Pro DJ100. With stylish, spun metal ear cups that swivel 180 degrees, shifting between single- and double-ear listening is easy. Transitioning from stereo to mono audio mode is as simple as a flick of a switch.The Pro DJ200 gives both music lovers and professional DJ's the flexibility to change cords on the go with a new detachable cord design. Included with every ProDJ200 is a standard, professional grade 8-foot coiled cord, and also a new 4-foot straight cord equipped with Koss Touch Control (KTC) remote and microphone technology made for iPhone, iPad and iPod, which is also compatible with other smart phones and devices. The KTC allows users to stay connected, shuffle songs and control the volume with the simple flick of a switch.Koss Pro DJ200s feature soft, closed cushions that create a perfect seal whose comfort is amplified by extreme bass response of these soft, closed headphones. Lightweight and long lasting with noise isolating qualities, the Koss ProDJ200 headphones fold flat into a sleek protective case for ultimate portability and storage.Avoid using headphones with the volume turned up for an extended period of time. Doing so can damage your hearing. It is advisable to keep the volume at a moderate level at all times. For your own safety, please do not use when driving or cycling.