Smart Ring for Men Women Fitness Tracker Ring with Sleep Monitoring, Heart Rate, SpO2, Blood Pressure, Step & Calorie Counter, No Subscription.

[Select the Right Size]: If between sizes, choose the larger one for a more secure fit and optimal comfort for your smart ring. Before purchasing, please consult the detailed size chart to ensure the most accurate fit, as this smart ring for men and women is available in 8 non-adjustable sizes. [All-Day Health & Sleep Monitoring]: Stay informed with smart health rings, featuring adjustable auto-monitoring intervals (30-40-50-60 mins) for heart rate, blood pressure, and Sp O2. This smart ring with blood pressure monitor tracks deep, light, and REM sleep cycles. Access 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 record steps, calories, and distance all day while supporting 8 sport modes like running and yoga. As a high-performance fitness ring, the app shows your route and heart rate to provide 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 the top-rated black smart ring, which allows you to take photos by shaking your finger twice to activate your phones camera. It is a convenient smart ring for men and women for spontaneous selfies and hands-free photography without extra equipment. [Dual Charging & Compatibility]: Stay powered with the healt