Plantronics P101N-U10P Polaris Encore Binaural Headset offers top-of-the-line sound quality in an over-the-head headband design. This lightweight headset is a favorite for all-day comfort. Binaural Encore headsets have two ear pads to cover both ears. Plantronics noise-canceling microphone filters out background sounds making it ideal for noisy office environments. Plantronics Quick Disconnect acts as an on-hold function allowing you to walk away from your phone while wearing your headset. Comes with Polaris cable (Quick Disconnect - modular plug) that connects headset directly to your phone's headset jack.