Black Head-band Headset Wired USB connectivity Supraaural 20 - 20000 Hz 220086 dB Microphone type: In-line Engineered for todays hybrid workplace, the Lenovo Wired ANC Headset Gen 2 combines the power of active noise cancelling with EPOS BrainAdaptand ActiveGard® technology for unbeatable performance. Plus, youll enjoy a seamless user experience thanks to the two variations on offer (either certified for Microsoft Teams or Zoom and optimised for other UC platforms). Performance Certification CB, CE, FCC, ICES, RCM, KCC Cable colour Black Control type Buttons Control unit type In-line control unit Volume control Button Product colour Black Headset type Binaural Wearing style Head-band Product type Headset Ports & interfaces USB connector USB Type-C USB connectivity Yes Connectivity technology Wired Headphones Total Harmonic Distortion (THD) 5% Driver unit 3.2 cm Headphone sensitivity 86 dB Impedance 2200Headphone frequency 20 - 20000 Hz Ear coupling Supraaural Microphone Micro