NEW Poly Blackwire 5220 Wired Headset Cancels outside noise to eliminate distortion with maximum sound efficiency. On-ear earpiece design ensures maximum convenience and optimal performance. Leatherette ear cushion material to offer great versatility and allow creativity and innovation in design and construction Call/Answer/End earpiece control for faster, dependable performance, better navigation, and maximum user-friendliness. Wired connectivity technology helps you always stay connected to your headset for maximum productivity. Your voice will be heard loud and clear with the boom microphone design to ensure maximum Headset usage efficiency. Noise cancelling microphone technology ensures easy, convenient listening and talking with maximum sound transfer efficiency. USB Type C host interface offers dependable connectivity for maximum usability.