Graphite Office/Call center Head-band Headset Wired & Wireless USB connectivity Bluetooth 5.2 Supraaural Microphone type: Boom Built-in battery WIRELESS HEADSETS, NO DONGLE REQUIREDZone Wireless 2 is certified for Microsoft Teams over native Bluetooth. Enjoy a full Teams experience without a dongle.PRO AUDIO FOR SKILLED PROFESSIONALSWhen every minute counts, Zone Wireless 2 brings focus and attention to the task at hand. AI noise suppression, 4 noise-canceling mics, and hybrid ANC help high-skilled employees work without distraction.SUPPRESS AMBIENT NOISE ON THE OTHER END OF A CALLHear remote participants clearly, even if they are in a noisy environment. Switch on Advanced Call Clarity in Logi Tune to suppress noise on the far end.BE HEARD BY OTHERSDont let noise disrupt important calls. Four noise-canceling mics suppress sound from nearby conversations, HVAC, or barking dogs.CONCENTRATE BETTER WITH HYBRID ANCSwitch between ANC high and low modes to reduce background noise as needed w