DESC: Comfort is enhanced by extra deep ear cup cavities. A flexible comfort sling under the headband contours to the user’s head, for even weight distribution. They are available with noise canceling dynamic or electret microphones. Replaceable, easy-to-clean foam cushions and cords 6' (1.8m) with a straight plug are offered with a variety of connectors. Besides application flexibility, this allows you to make minor repairs without purchasing a new headset body. Replaceable cord designed for over 250,000 flexes. Also allows headset to operate as either stereo or mono with a cord change. All Discovery headsets are light/dark taupe. Volume control on all models.