The first one I bought was defective but I have to thank the company for getting my email back quickly. I was simply told to return it to Revain and buy a new one, which I did. The second works great. It was a little difficult to attach the mounting screws to the underside of my desk, but I'm glad I did it. I have a lot of USB devices so I use it under my counter/seating table to connect all the devices to a single USB port that goes to my desktop on the floor. I currently have the following plugged directly into this thing: a Logitech webcam, a stream deck, a small USB hub and card reader, and two USB monitor hubs (which aren't really used as hubs, but one of them is also a touchscreen).
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