Health & fitness tracking gadgets are manufactured in various shapes these days. We have already covered a few smart rings for heart rate and sleep tracking. The CIRCUL Ring is also worth a look. It is a stretchable ring with an elastic sensor to adapt to the size of your finger. It offers 1s data update for real-time tracking.
The CIRCUL Ring has an all metal shell, 5ATM waterproof. It combines with your phone to show your sleep, heart, and blood oxygen readings. It also works as a motion tracker for your daily workouts. This ring comes with a convenient charging case.
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