Key Features Built withAI Noise Cancelling Dual-MicArray with Omni-Directionalmics SuperiorHD Sound Quality USB-A/ QD Options Compatible withUC & Microsoft Teams Luxurious Comfort Top-levelAcoustics & HearingProtection Variants 805DM AINC Stereo Direct USB Headset with MS Teams 805M AINC Monaural Direct USB Headset with MS Teams 800DP QD Headset (Dual Sided) 800P QD Headset (Monaural)