Received it today and was very happy to use it with my new Surface laptop. The two HDMI ports work great. But the USB ports don't work at all. I even plugged the device into a USB-C power adapter and it still doesn't work. So my USB mouse and keyboard are not working. I emailed the company and after a couple of hours I didn't get a response. I really hoped so. I will update this review if the company gets back to me and finds a way to make this work. the problems i have. There doesn't seem to be any support. Buy at your own risk! UPDATE 2 (6/22/2020): I FINALLY fixed (fixed?) the issue on Microsoft's website and discovered that the issue was NOT with the Tiergrade device, it was with the UCB C extension cable that I bought. After doing that Device connected directly to the surface, everything worked great! I still get 1 star deduction for such a short** cable and 1 star for absolutely zero technical support. I had to look for this answer myself.
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