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Best Choice AMAZFIT 
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Smart Ring Fitness Tracker with Blood Oxygen Heart Rate Monitor & Sleep Tracking Blood oxygen trends, and sleep quality. Equipped with a built-in heart rate sensor. This fashionable smart ring combinesWithings 
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2025 Smart Ring Heart Rate Blood Pressure Sleep Tracking IP68 for Men Women Waterproof: IP68. Sleep Scientist: Analyzes deep, light, and REM sleep to help you wake up refreshed. Morning Routine: CFITVII 
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