Logitech (981-000875) Zone Wired Stereo Headset - USB-A/C - Black

Logitech (981-000875) Zone Wired Stereo Headset - USB-A/C - Black Main Mic: Uni-directional Secondary Mic: Omni-directional Frequency Response: 150Hz-7KHz Main Mic: -48 dBV/Pa Secondary Mic: -40 dBV/Pa Sensitivity: 99 dB±3 dB at 1000 Hz @30 mW,1 cm Driver size: 40 (mm) Driver impedance: 32 Ohm Audio compliance: Compliant to EN 50332 2 Years Warranty Period