Smart Ring for Men Women, Activity Tracker Ring with Heart Rate, SpO2, Sleep Monitoring, Step Counter, Calorie Pedometer, No Subscription, for iOS Android (Black 9)

[Select the Right Size]: If you are between sizes, opt for the larger one to achieve a more secure fit and superior comfort. [All-Day Health & Sleep Monitoring]: Stay updated with configurable auto-monitoring intervals (30-40-50-60 minutes) for heart rate, blood pressure, and SpO2. This smart ring with a blood pressure monitor records deep, light, and REM sleep stages. Obtain daily insights through the app with no subscription fees. Note: This smart ring is for reference only and is not a professional diagnostic device. [Fitness Tracker & Activity Ring]: The waterproof health rings for men and women count steps, calories, and distance throughout the day while supporting 8 sport modes such as running and yoga. The app displays your route and heart rate to deliver a comprehensive health tracker experience. Note: This smart ring is for reference only and is not a professional diagnostic device. [Hands-Free Photography]: Capture every moment with the top-rated black smart ring, which enables you to take photos by shaking your finger twice to trigger your phones camera. It is handy for spontaneous selfies and hands-free photography without additional gear. [Dual Charging & Universal Compatibility]: The health monitor ring achieves a full recharge in 60 minutes. It contains a 400 mAh case for portable power, providing 3-5 days of use. It is fully compatible with Android 5.1 and iOS 8.0 or above, syncing with iPhone and Android phones via Bluetooth for straightforward wellness management. [Durable Waterproof Design]: Constructed for diverse environments, the fitness rings for women and men feature a lightweight aluminium alloy and a fully sealed structure. These health rings have a 5ATM waterproof rating, safe for swimming, sweat, and rain, crafted in a rugged black silver style for enduring reliability. [Seamless Connectivity & No Fees]: The smart rings that track blood pressure for women and men link via Bluetooth for real-time updates and detailed reports. Review your data in the app without any subscription fees, ensuring a smooth, user-friendly experience for easy wellness management