JABRA Evolve2 40 SE UC Stereo USB C/A 80014071 24189-989-799 Product Description: Jabra Evolve2 40 SE UC Stereo - headset - USB-C, USB-A Product Type: Headset - wired - USB-C, USB-A Recommended Use: Phone, computer - communication Headphones Form Factor: On-ear Connectivity Technology: Wired Sound Output Mode: Stereo Audio Specifications: Frequency Response 20 - 20000 Hz - Sensitivity 117 dB Max Input Power: 30 mW Noise Isolating: Yes Microphone: Boom Microphone Noise Cancelling: Yes Microphones Included: 3 Controls: Mute, volume, answer/end, play/pause, next/previous track, flip-to-mute Environmental Standards: TCO Certified Headsets 9 Software Certification: Optimised for UC Manufacturer Warranty: 2-year warranty