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 ...

As the model name implies, it's battery powered ... low light sight, dual-band Wi-Fi support, and a few other perks. Both of these upgraded models are on sale as well. Ring Battery Doorbell ...