Oura or Samsung? Ultrahuman or Amazfit? Here's how to choose the perfect smart ring for you

Oura Ring or Samsung Galaxy Ring? Subscription or subscription-free? Here's everything you need to know about buying a smart ...
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Cuffless blood pressure devices show great promise as alternatives to traditional arm-cuff monitors

Cuffless devices to measure blood pressure, such as smartwatches, rings, patches and fingertip monitors, show great promise ...

My favorite hybrid smartwatch has a 30-day battery life and a gorgeous look

Withings' latest ScanWatch 2 model puts the company's health-tracking technology into a high-end, hybrid form factor.