2 speakers to help block out distractions and help to keep focused on callsNoise canceling boom microphone swivels 300 and filters out unwanted background noiseKink-free highly flexible gooseneck boom to place microphone at desired positionHigh-quality speakers deliver clear and consistent municationDurable construction meets the constant demands of all-day useBuilt-in hearing protection helps to avoid sudden and unexpected sound spikesCompatible with Plantronics and VXi P-series Quick Disconnect amplifiers and direct connect cords2-year warranty