Key Features Builtin Dual-MicArray withAI Noise Cancelling Mic SuperiorHD Sound Quality USB-A/ QD Options Compatible withUC & Microsoft Teams(815DM AINC) Protein leather coveringthememory foamcushions Top-levelAcoustics & HearingProtection Variants 815DM AINC Stereo Direct USB Headset with MS Teams 815M AINC Monaural Direct USB Headset with MS Teams 810DP QD Headset (Dual Sided) 810P QD Headset (Monaural)