JABRA Evolve 20 USB C/A UC Stereo 80014071 4999-829-269 Product Description: Jabra Evolve 20 UC stereo - headset Product Type: Headset - wired - USB-C, USB-A Compatibility: Mac, Windows Recommended Use: Computer, conference, phone - communication, voice Headphones Form Factor: On-ear binaural Connectivity Technology: Wired Sound Output Mode: Stereo Audio Specifications: Frequency Response 20 - 20000 Hz - Sensitivity 93.6 dB Impedance: 32 Ohm Max Input Power: 10 mW Noise Isolating: Yes Microphone: Boom Microphone Technology: Electret condenser Microphone Operation Mode: Uni-directional Microphone Noise Cancelling: Yes Controls: Mute, volume, answer/end Software Certification: Alcatel-Lucent Certified, Avaya Certified, Certified for Microsoft Teams, Cisco Certified, Unify Certified Manufacturer Warranty: 2-year warranty