HP Poly BW 3320 Stereo -M USB-C +USB-C/A 80033865 8X220AA Product Description: Poly Blackwire 3320 - headset Product Type: Headset - wired - USB-C Compatibility: Mac, Windows Recommended Use: Portable electronics, computer Colour: Black Headphones Form Factor: On-ear Connectivity Technology: Wired Sound Output Mode: Stereo Audio Specifications: Sensitivity 116 dB Impedance: 32 Ohm Microphone: Boom Controls: Mute, volume, answer/end Software Certification: Certified for Microsoft Teams, UC certified