We’ve seen our share of light-up jewelry over the years, but for some reason — probably power — it’s almost always earrings or necklaces. So when we saw [ROBO HUB]’s LED ring, we had to check it out.

Mini-LED and micro-LED are, in a sense, cousins. Under the hood, mini-LED and micro-LED aren't that different, but when you begin to examine them closely, there are some significant differences. When ...