The Oura Ring 4 is one of the sleekest fitness trackers I've reviewed. It's a top pick for all but the most serious athletes.

Luna has announced the global launch of Luna 2.0 at IFA 2025. This is the company’s new smart ring that challenges Oura. At the heart of it is LifeOS, which is claimed to “transform biometrics into ...

It’s a feat in itself that a battery can be squeezed into such tiny real estate. Fortunately, Samsung didn’t just settle for the bare minimum. Depending on which size ring you choose, the device will ...

Luna 2.0 smart ring debuts globally at the IFA 2025. It is equipped with the new LifeOS, which offers AI-driven health scoring, advanced sleep tracking, Luna AI assistant, and fertility tracking. The ...