It’s the perfect blend of passive tracking and actionable insights. Most Fitbit devices are water-resistant to depths of 50m. The Oura Ring 3 and 4 are water-resistant to depths of 100m.

Without a screen, the Samsung Galaxy Ring is a set-and-forget passive tracker, like all smart rings ... hefty $400 / £400 / AU$699 for such a tiny device), it’s a winner from a value point ...

As a passive device, it collects data and relies on the ... as it acts as a passive health tracker. It's worth noting that the app demands a constant internet connection, which can be a bit ...