Smart Ring Health Tracker, Fitness Tracker Ring for Women Men, Monitoring of Pedometer, SpO2, Sleep Quality, Heart Rate, No Subscription Fee, Sport...

[Select the Right Size]: If you are between sizes, opt for the larger one to achieve a more secure fit and superior comfort. Use the provided guide to measure your finger circumference and select your ideal fit from the 8 available sizes. This smart ring is non-adjustable, engineered to deliver a comfortable fit and maintain stable sensor contact. [All-Day Health & Sleep Monitoring]: It features configurable 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 stages. View daily insights through the app without any subscription fees. Please note: This smart ring is for reference purposes only and is not intended for use as a professional medical diagnostic device. [Fitness Tracker & Activity Ring]: The waterproof health ring records steps, calories, and distance throughout the day and supports 8 sport modes such as running and yoga. The app displays your route and heart rate, offering a comprehensive health tracking experience. Please note: This smart ring is for reference purposes only and is not intended for use as a professional medical diagnostic device. [Hands-Free Photography & Elegant Design]: Effortlessly capture every moment with this silver smart ring. Shake your finger twice to activate your iPhone or Android cameraideal for taking selfies without additional equipment, merging elegance with smart technology. [Dual Charging & Universal Compatibility]