JABRA Evolve 65 TE Headset Link 390 80014071 6693-833-399 Product Description: Jabra Evolve 65 TE Mono - headset Product Type: Headset - Bluetooth - wireless - USB-A via Bluetooth adapter Recommended Use: Computer, conference - communication, voice Headphones Form Factor: On-ear monaural Connectivity Technology: Wireless Wireless Technology: Bluetooth Bluetooth Version: Bluetooth 5.2 Sound Output Mode: Mono Audio Specifications: Frequency Response 20 - 20000 Hz - Sensitivity 93.6 dB Noise Isolating: Yes Microphone: Boom Microphone Technology: Electret condenser Microphone Operation Mode: Uni-directional Software Certification: Certified for Microsoft Teams Manufacturer Warranty: 2-year warranty