Logitech BRIO is a 4K webcam with an amazingly detailed picture.
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Pro High resolution and great detail
The Logitech BRIO webcam can stream 4K quality video(4096 x 2160) at 30fps (frames per second), full high definition video (1920 x 1080) at 30fps or 60fps, and 720p video(1280 x 720) at 30fps, 60fps or 90fps. This lets you choose between streaming 4K video where possible, or higher fps video where 4K is not supported.
Pro Wide field of view shows more background
The default 90-degree field of view shows more background than the standard webcams. You can also adjust the field of view between 65, 78 and 90 degrees.
Pro Quality built-in microphone
The built-in microphone is loud and clear. You can definitely use it for most purposes.
Pro Infrared facial recognition focuses on You
The infrared facial recognition system focuses the camera on your face at all times so you will never look blurry/out of focus.
This same face recognition is used by Windows Hello, which lets you log into your PC by just showing your face to the camera.
Con Expensive webcam with very little practical use
Most software does not allow 4K streaming, making this webcam useless. Even if the software does support 4K streaming, then most people viewing your webcam picture do not own a 4K resolution screen and will not benefit from that resolution.
Con Cannot record 4K
The webcam allows streaming in 4K (4096 x 2160), but records only in full high definition (1920 x 1080) or lower.