JABRA Evolve 20 USB C/A MS Mono 80014071 4993-823-169 Product Description: Jabra Evolve 20 MS mono - headset Product Type: Headset - wired - USB-C, USB-A Compatibility: Mac, Windows Recommended Use: Computer, conference, phone - communication, voice Headphones Form Factor: On-ear monaural Connectivity Technology: Wired Sound Output Mode: Mono Audio Specifications: Frequency Response 20 - 20000 Hz 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: Certified for Microsoft Teams, Avaya Certified, Cisco Certified, Alcatel-Lucent Certified, Unify Certified Manufacturer Warranty: 2-year warranty