Oura Ring 4 review: It's got this edge over Apple Watch and Samsung Galaxy Ring

Oura Ring 4's AI advisor is ideal for anyone who wants to make sense of their health data.

Oura Ring 4 has entered the chat and is here to let you know that your Apple Watch’s one-to-two day battery life is, well, cute — I guess?

While you’re frantically searching for a charger every night, this little wearable can survive for about a week — doing …