The wearable-tech company Ultrahuman has debuted the Rare smart ring, which is hand-crafted with 18-karat gold and platinum.

However, on the night she had two drinks, many of her results—such as resting heart rate, HRV, body temperature, recovery, ...

Table of Contents Wait, a smart display that tracks your sleep? How about a smart ring like the Oura Ring 4? Can you just use the Apple Watch on your wrist? My preferred way to track my sleep ...

and time spent in each sleep phase. We found that the Oura Ring 4 is the best sleep tracker on the market for its comfortable, lightweight fit, impressive battery life, and discreet build ...

the world's first smart ring equipped with Generative Sleep aid sound, at CES 2025, starting January 7. This innovative device goes beyond basic biometric measurement and is set to revolutionize ...

With sensors that track motion, skin temperature, and heart rate, the ring can assess everything from your stress levels to the quality of your sleep. Using the data it collects, the wearable can ...