Activity Tracker Ring for Men Smart Ring with Heart Rate, SpO2, Blood Pressure, Sleep Monitoring, Step & Calorie Counter, 5ATM Waterproof, No.

[Select the Right Size]: If between sizes, opt for the larger one for a more secure fit and enhanced comfort. Please consult the detailed size chart to ensure the most accurate fit, as this smart ring for men and women comes in 8 non-adjustable sizes. [All-Day Health & Sleep Monitoring]: Stay updated with configurable auto-monitoring intervals (30-40-50-60 minutes) for heart rate, blood pressure, and Sp O2. This smart ring with a blood pressure monitor records deep, light, and REM sleep cycles. View daily insights via the app with no subscription fees. Note: The smart ring is for reference only and should not be used as a professional diagnostic device. [Fitness Tracker & Activity Ring]: The waterproof health rings for men and women log steps, calories, and distance all day while supporting 8 sport modes such as running and yoga. The app displays your route and heart rate to deliver a complete health tracker experience. Note: The smart ring is for reference only and should not be used as a professional diagnostic device. [Hands-Free Photography]: Capture every moment with a top-rated black smart ring which enables you to take photos by shaking your finger twice to activate your phones camera. It is a handy option for spontaneous selfies and hands-free photography without extra equipment. [Dual Charging & Compatibility]: Stay powered with a full recharge in 60 minutes. Contains a 400 m Ah case for power on the go, lasting 3-5 days. It is fully compatible with Android 5.1 and i O