Features:

    Connectivity: USB Plug and Play;
    Microphone: Noise Cancelling with Advanced Noise Reduction;
    Microphone sensitivity: -47 ± (0db = IV / Pa, 1kHz) a;
    Microphone impedance: 2.2 kΩ;
    High range HD audio;
    Speaker frequency response: 20 - 20,000 Hz;
    Speaker sensitivity: 105 dB ± 2 dB on (1000 Hz 1mW);
    Speaker impedance: 150 ± 2% Ohm;
    Skype for Business optimized answer and call button;
    Acoustic protection for sounds above 105 dB;
    Total harmonic distortion (THD): <1%;
    Functional USB remote control;
    Automatic gain control;
    DSP digital signal processing;
    XL leather earphones;
    Lightweight, flexible construction;
    Weight: 112 g.

Warranty: 24 months