An additional, albeit minor, improvement is that the Oura Ring 4's charging base is square and silver. In case you didn't know, the Oura Ring 3 base is black and circular and I would lose it ...
I appreciate how the Oura Ring blends in with whatever other accessories I’ve opted to wear. I have a silver Oura Ring, but it also comes in gold, rose gold, black and a matte black called Stealth.
Learn more › In the ever-expanding world of devices, our attention is turning to smart rings, an increasingly popular option for those looking for an all-day (and night) wearable. While ...