Keep your health, sleep, and daily activity data close with a smart ring you can wear through workouts and rest.
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Health and sleep tracking: Monitor heart rate, estimated blood pressure, blood oxygen, and sleep stages, including deep, light, and REM sleep.
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Activity insights: Track steps, distance, and calories, with automatic recognition for activities such as running, cycling, swimming, and yoga.
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Everyday wear: The stainless steel bezel and 5ATM water resistance suit swimming and daily routines; battery life is up to 7 days with typical use, and charging takes about 1.5 hours.
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Fit and phone pairing: Choose inner diameters from 16.5 mm (#6) to 22.3 mm (#13); it works with Android 8.0+ and iOS 10.0+ and includes a charging cable, box, and instruction manual.
