6.7K views · 15 reactions | Dan reviewed the Oura Ring 4, which is a refinement of the template laid down by its predecessor, the Ring 3. It's a lovely piece of hardware and an elegant way to track your vital statistics without wearing a smartwatch, but at $349 plus an additional $70 per year to access basic features might put off some would-be buyers. | Engadget | Facebook

Express yourself in colourful ceramic while tracking over 50 health metrics — including sleep, stress, heart health, and more. | ŌURA