Circular is a relatively small player in the smart ring segment, which is currently led by the likes of Oura, Samsung, and RingConn. Yet, following a not-so-good start,the company’s second-gen smart ...

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Meanwhile, the Linktop Smart Ring’s AI dashboard features a suite of advanced analytical tools, including AI-powered ECG, blood pressure, and nutritional analysis. By leveraging a user’s biometrics ...

Oura has rolled out a new update that brings a redesigned cumulative stress monitoring feature to its smart rings. The company is also launching a study on blood pressure monitoring to estimate the ...

In the next few weeks, the Oura app is getting a major update with new stress management and period tracking functionality. Oura is also kicking off a trial to estimate users’ risk of high blood ...

RingConn has begun teasing its third-generation smart ring, a significant hardware evolution that aims to close the gap with Oura. Building on the foundation of the RingConn Gen 2—which we praised for ...

DEAR DR. ROACH: I see smart watches that are advertised to measure heart rates, oxygen saturation, blood pressure, and even glucose levels. Are these things accurate? -- A.K. ANSWER: The quality of ...