Review on 🔁 HDMI Switch KVM Converter with USB 2.0 Hub Sharing | 4K @ 60Hz 4:4:4 HDR 2.0 PC Converter | Simultaneous Connectivity for 4 Computers | Compatible with Unix, Windows, Debian, Ubuntu, Fedora, Mac OS X, Raspbian by Josh Cooper

Not only is this thing poorly documented, it doesn't even exist on the internet. It's crammed with poorly translated (I think) Chinese-English documentation that doesn't do much for a full understanding of the product's features. It's packed with all kinds of keybindings and macros that you'll never use, and for the most part you'll find that they often work without your will. I have seven different mice, one of which is a Logitech G502. They each had terrible input lag to varying degrees, Logitech was the best of them all, but even then it still hovered around 0.5 to 0.7 seconds of input lag when measured. Other mice experienced input lags of up to THREE seconds. I couldn't do anything to reduce it - it's a purely hardware side of this KVM. After fumbling with it all day to no avail, I quickly put it back in the box it came in and got my money back. I suggest you do the same, or better yet, don't buy it in the first place. Save yourself the hassle and just get a real KVM from a reputable company.