New Logitech H390 Over-Head Usb a Headset Noise-Canceling Microphone

Specificationsmicrophone type: bi-directional with noise cancellation.input impedance: 32 ohms.headphone sensitivity: 94 dbv/pa +/- 3 db.microphone sensitivity: -17 dbv/pa +/- 4 db.frequency response (headset): 20 hz – 20 khz.frequency response (microphone): 100 hz – 10 khz.cable length: approximately 7.64 ft (2.33 m).driver size: 30 mm.compatibility & utilitycompatibility: windows, macos, chrome os via usb-a port.usage: optimized for video conferencing (zoom, teams, meet), voice calls, and multimedia.