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 ...

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 ...

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If you track your blood pressure with your phone or smartwatch, you may want to think again. According to a new study from the University of Washington, many of these newer devices claiming to measure ...