…i have several of those and for my application (getting video into a Mac) they work fine - and are less lagging than the Elgato 4K…
…for (subjective) better quality for a project where i import several live video-sources into Resolume i have recently bought a variant from HAMA (4K in 1080p out), priced about four times of what the above dongles cost but still a fraction of the price for the Elgato 4K…