Black Head-band Headset Wired USB connectivity Supraaural 20 - 20000 Hz 220086 dB Microphone type: In-line Enjoy a seamless user experience and stay focused in virtual meetings with the Lenovo Wired VoIP Headset. Designed for the hybrid workplace, this headset features EPOS BrainAdaptand ActiveGard® technology to reduce fatigue and protect your hearing. Plus, with the two variations on offer: one thats Microsoft Teams certified, and the other made for Zoom & other UC-platformsyoure guaranteed to find a solution that meets your needs. Performance Certification CB, CE, FCC, ICES, RCM, KCC Cable colour Black Cable length 1.785 m 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 d