Smart Health Tracking Ring - Black

Brand new in the box Smart Ring for Women Men, Fitness Ring with Heart Rate, Blood Oxygen, HRV, Stress, Sleep Tracker, Step Tracker, No Subscription Fee, lP68 Waterproof Smart Ring for iPhone & Android (Black, 8#,9#,10# can be choose) Intelligent Sleep Tracker】: Your favorite sleep tracker is now wrapped around your finger. this health rings for men women can also automatically monitor your sleep. Track Your Health from Your Finger】: This slim smart health ring for women men provides 24-hour blood oxygen, 24-hour heart rate and 24-hour HRV monitoring. Activity Tracker & Multiple Sport Modes】: The fitness rings for men women automatically track your steps, calories burned and distance throughout the day. This smart ring has multiple sports modes such as running, cycling, skipping rope, walking, hiking, yoga, dancing, golf and more. Active these sport modes, you will get workout route, sport time, steps, heart rate, speeds, calories burned and distance from the App