Is the POV Capture Pro actually waterproof without a case?

It is described as waterproof, so it is built to shoot in wet conditions. Check the depth rating before diving, since waterproof cameras vary widely in how deep they can go.

Does it shoot true 4K?

Yes, 4K is its headline recording mode. Frame rates at 4K are usually lower than at 1080p, so expect smoother slow motion at lower resolutions.

How does it compare with a GoPro?

It matches the rugged, waterproof 4K formula. GoPro and DJI generally lead on image stabilization, low-light performance and app support, so weigh those against this camera's simpler build.

The camera is the core item. Mounts, cables and a memory card are often sold separately on action cameras, so confirm the bundle before buying.

What memory card does it need?

4K recording needs a fast microSD card, typically U3 or V30 rated. A slow card causes dropped frames and recording errors.

Is it good for vlogging?

It works for action-style vlogging, but a wide-angle action lens distorts faces up close. A camera with a front screen and better stabilization suits talking-head vlogs more.