DESC: Plantronics P181N-U10P Polaris DuoPro offers sleek new behind-the-neck design. Headset can be worn on either ear, headband wraps around other ear for all-day secure comfort and fit. Noise-canceling microphone is ideal for noisy offices and busy call centers. Comes complete with Polaris cable to connect directly to your headset-ready phone.It has a Plantronics Quick Disconnect feature. The QD allows you to leave your desk while still wearing your headset. Simply pull apart the two QD pieces to leave your desk and snap them back together when you return. This eliminates the need to continually take your headset on and off and reposition it on your head or ear every time you need to leave your desk. The QD also acts as an "on hold" function. If you pull apart during a call, simply snap the QD pieces back together to resume your call.