Koss ProDj200 Studio Headphone - Black/Silver Noise isolating headphones. Connectivity Technology: Wired Koss Touch Control (KTC) remote and microphone technology made for iPhone iPad and iPod Ear cups feature stereo/mono switch and swivel for single/ double ear listening preference Detachable cords include 4 foot KTC cord and 8 foot coiled cord Fold flat into a convenient case for portability