HP Poly BW 5220 USB-C HS +3.5mmP USB-C/A 80033865 8X231AA Product Description: Poly Blackwire 5220 - headset Product Type: Headset - wired - 3.5 mm jack, USB-C Compatibility: Mac, Windows Recommended Use: Portable electronics, computer Colour: Black Headphones Form Factor: On-ear binaural Connectivity Technology: Wired Sound Output Mode: Stereo Audio Specifications: Sensitivity 116 dB Impedance: 32 Ohm Signal-To-Noise Ratio: 118 dB Microphone: Boom Microphone Noise Cancelling: Yes Controls: Mute, volume, answer/end Software Certification: Certified for Skype for Business, Zoom Certified, Certified for Microsoft Teams, Avaya Certified, Cisco Jabber Certified, Works With Chromebook Certified, UC certified