Logitech Zone Wired Headset

Microphone Type Main Mic: Uni-directional Secondary Mic: Omni-directional Frequency Response: 150Hz-7KHz Sensitivity Main Mic: -48 dBV/Pa Secondary Mic: -40 dBV/Pa Speakers Frequency response (music mode): 20-16 kHz Sensitivity: 99 dB±3 dB at 1000 Hz mW,1 cm Driver size: 40 (mm) Driver impedance: 32 Ohm Audio compliance: Compliant to EN 5033