The specs state “2 HDMI outputs” do you mean inputs?
The specs do not mention a vesa mount but in the image you are using it appears that there is either a 75x75 or 100x100 vesa mount. Can you confirm if the image is accurate? Does the stand detach and is this vesa mount compatible?
Under the “Features” section of the specs it lists 75x75
To be fair, we just fleshed out the specs.
This is not a 4K monitor. It can handle a 4K input but does not have the same resolution.