Oura Ring 4 makes the smart ring slimmer, comfier, and more accurate
A new version of Oura’s smart ring has been announced, the Oura Ring 4. The new model is slimmer, has recessed sensors for greater comfort, and uses new algorithms to provide more complete and accurate measurements.
The 4th-gen smart ring is also now available in a greater range of sizes, and with a new black finish described as combining a deeper color and improved durability …
