Effectively 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 enhanced, dependable pointing efficiency with maximum usability The 5220 headset provides plenty of freedom with wired connectivity Your voice will be heard loud and clear with the boom microphone design to ensure maximum Headset usage efficiency Noise cancellation provides exceptional hearing under loud environments Omni-directional microphone technology enables reliable voice transfer to ensure maximum usability USB Type C host interface for reliable data transfer and enhanced performance Listen to distinct sounds from both the speakers in stereo sound mode