Smart Ring for Women Fitness Tracker Ring with Heart Rate, SpO2, Blood Pressure, Sleep Monitoring, Step & Calorie Counter, No Subscription Fee, iOS & Android Compatible (Silver, 13)

[Select the Right Size]: If you are between sizes, select the larger one for a more secure fit and optimal comfort. Use the provided guide to measure your finger circumference and find your perfect fit from the eight available sizes. This smart ring is non-adjustable and engineered to provide a comfortable fit and stable sensor contact. [All-Day Health & Sleep Monitoring]: Stay informed with adjustable auto-monitoring intervals (30, 40, 50, 60 minutes) for heart rate, blood pressure, and SpO2. This smart ring with a blood pressure monitor tracks deep, light, and REM sleep cycles. Access daily insights via the app with no subscription fees. Note: This smart ring is for reference only and is not intended for use as a professional diagnostic device. [Fitness Tracker & Activity Ring]: The waterproof health ring records steps, calories, and distance all day while supporting eight sport modes such as running and yoga. The app displays your route and heart rate to deliver a complete health tracker experience. Note: This smart ring is for reference only and is not intended for use as a professional diagnostic device. [Hands-Free Photography & Elegant Design]: Capture every moment effortlessly with this silver smart ring. Shake your finger twice to activate your iPhone or Android cameraideal for selfies without extra equipment, blending elegant design with smart technology. [Dual Charging & Universal Compatibility]: Stay powered with this health monitor ring, which recharges fully in just 60 minutes. The smart ring is compatible with Android 5.1 and iOS 8.0 and above. It includes a portable 400 mAh charging case for convenient power on the go, lasting 3 to 5 days with normal use. [Durable Waterproof Design]: Crafted from high-quality materials with a fully enclosed structure. With a 5ATM waterproof rating, it is safe for swimming, workouts, and daily wearresistant to sweat and rain while maintaining its silver shine. [Seamless Connectivity]: This smart ring health tracker syncs effortlessly via Bluetooth for real-time updates. View detailed health reports in the SmartHealth app without any subscription fees or extra costs for a smooth, user-friendly wellness management experience