Audio/video synchronization is usually fine in straightforward conferencing, but bokeh or virtual-camera lag can cause noticeable drift in some setups.
Pros: overall satisfaction, video quality
Cons: gesture controls, mounting quality
Best Webcams for lip-sync accuracy
Lip-sync is a real weak spot in the small number of reports that mention it, with audio and video sometimes drifting noticeably apart.
Pros: video quality, subject tracking
Cons: firmware updates, latency