Autofocus webcam with 3840 x 2160 resolution and 30fps frame rate ensures crisp and clear video calls with no blur 4K ultra high-definition sensor and Logitech lens provide exceptionally sharp clarity 120-degree field of view to effectively include more participants within the frame (up to eight) Pan, tilt, and zoom options provide more versatility for ideal coverage Three beamforming mics and a custom-tuned speaker ensure everyone is heard clearly Built-in audio is optimized for huddle room acoustics so that everyone is heard and seen clearly Add Expansion Mic (not included) for extended audio range up to 4.2 metres