HP Poly Voyager 4320 MS Teams Headset 80033865 77Z00AA Product Description: Poly Voyager 4320-M - headset Product Type: Headset - Bluetooth - wireless, wired - USB-A, USB-A via Bluetooth adapter Recommended Use: Phone, computer Colour: Black Headphones Form Factor: On-ear Connectivity Technology: Wireless, wired Wireless Technology: Bluetooth Bluetooth Version: Bluetooth 5.1 Sound Output Mode: Stereo Audio Specifications: Frequency Response 20 - 20000 Hz Microphone: Boom Microphone Operation Mode: MEMS-directional Microphone Noise Cancelling: Yes Microphones Included: 2 Controls: Mute, volume, power on/off, answer/end, pair mode, pinch-to-mute button Software Certification: Zoom Certified, Certified for Microsoft Teams Compatible Software: Microsoft Teams, Zoom Manufacturer Warranty: 2-year warranty