Comfortable on-ear design Featuring lightweight, padded earcups for all-day wear Convenient call controls Mute, volume and the Microsoft Teams button are in-line and easy to reach. Superior sound High-quality stereo speakers optimised for voic Certified for Microsoft Teams Join meetings at a touch of a button and enjoy high-quality video and audio, plus easy setup and management. Integrates seamlessly with your Surface computer and other Windows PCs.1 Dimensions Length: 173 mm (6.81') Width: 167 mm (6.57') Depth: 60 mm (2.36') Weight 142 g (0.31 lbs) Exterior Colour: Black Frequency response Microphone: 100 Hz-10 KHz Speaker: 100 Hz-20 KHz Noise cancellation Noise reduction mic boom Speaker 28 mm moving-coil speaker driver Sound pressure level output Up to 91 dB What’s in the box Microsoft Modern USB Headset Quick start guide Safety and warranty documents Certified for Microsoft Teams details Microsoft Teams/Hook/Mute LED indicator Cord length 1.5 m (39.4') Cable length 0.75 m (29.5') Inputs USB-C or USB-A connection (one per headset) Sensors N/A Compatibility Windows 11 Home/Pro, 10/8.1/8 Mac OS×11.0/10.15 Audio codec PCM Buttons/controls Microsoft Teams button, Hook button, Mute button, Volume up/down button Warranty 1-year limited hardware warranty1