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.

I've been wearing smart rings long enough to know one thing: the tech is impressive, but the rings themselves are not indestructible. My Oura Ring has seen it all, from barbell knurling and climbing ...