Photo 1 of Smart Ring for Men Women, Health Fitness Tracker with Heart Rate/Blood Pressure/Blood Oxygen Monitor,Sleep Tracker,Pedometer, No Subscription, IP68 Waterproof Ring for iPhone&Android (Black, Size11)

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Photo 1 of Smart Ring for Men Women, Health Fitness Tracker with Heart Rate/Blood Pressure/Blood Oxygen Monitor,Sleep Tracker,Pedometer, No Subscription, IP68 Waterproof Ring for iPhone&Android (Black, Size11)Photo 2 of Smart Ring for Men Women, Health Fitness Tracker with Heart Rate/Blood Pressure/Blood Oxygen Monitor,Sleep Tracker,Pedometer, No Subscription, IP68 Waterproof Ring for iPhone&Android (Black, Size11)