If you know someone who wants to track their health metrics, but in a subtle way compared to using their phone or a smartwatch, the high-end Oura Ring 4 is the way to go. It can monitor their heart rate, activity and stress levels, plus sleep, and then they can see them all in the Oura app. This newest version, the gen 4, has an even sleeker feel than its predecessor. It also features a battery life that can outlast most smartwatches. CNET’s Lisa Eadicicco says it’s her favorite wellness…
