This unassuming gadget quietly solves a problem Oura Ring users know well

In October, Oura announced a simple but game-changing accessory: a portable charging case. It took the smart ring company long enough, especially since battery life is a bone Oura Ring users have been picking with the wellness giant for years.

Source : https://www.pocket-lint.com/oura-ring-4-charging-case-fixed-the-most-annoying-part-about-my-fitness-ring/