JABRA Evolve 10 Stereo USB-A NC TCO 80014071 2699-820-109 Product Description: Jabra Evolve 10 - headset Product Type: Headset - wired - USB-A Recommended Use: Computer, conference - communication, voice Additional Functions: Automatic Gain Control (AGC) Headphones Form Factor: On-ear binaural Connectivity Technology: Wired Sound Output Mode: Stereo Audio Specifications: Frequency Response 20 - 20000 Hz - Sensitivity 117 dB +/- 3dB Noise Isolating: Yes Microphone: Boom Microphone Technology: Electret condenser Microphone Operation Mode: Uni-directional Controls: Call, mute, volume Manufacturer Warranty: 2-year warranty