Smart Health Ring for Women & Men,Fitness Tracker Ring,with Heart Rate,Sleep,Blood Oxygen, BloodPressure,HRV & Cycles,IP68 Waterproof,iOS/Android, No Subscription.(Black,8)

Please choose the correct size. Wearing an improperly sized smart ring (too small or too large) will affect the accuracy of the app data. For initial use, connect from the application. Elegant Design & Secure Fit: This smart ring for men and women features a classic four-leaf clover enamel design, providing a lightweight and comfortable fit for all-day wear. Please consult the sizing chart to ensure an accurate fit and stable sensor contact for precise health data tracking. Comprehensive Health & Wellness Tracking: This smart ring health tracker continuously monitors heart rate, blood oxygen, blood pressure, stress levels, and sleep stages, while also tracking menstrual cycles and other key health metrics. With Care Mode, family members can remotely view core wellness data through the app. (Note: The smart ring is for reference only and should not be used as a professional diagnostic device.) Long Battery & Subscription-Free Service: This health ring recharges fully in 60 minutes and includes a 200mAh charging case for extended use. The app offers complete data storage, analysis, and regular updates via Bluetooth, all without any subscription fees - your wellness data stays entirely under your control. Activity Tracking & Smart Control: This fitness ring for women accurately records data during running, brisk walking, hiking, and cycling activities. Use simple gesture controls to remotely operate your phone's camera for hands-free photography, making it ideal for capturing moments during workouts or daily life. All-Day Wear & Durability: These smart rings for men feature an IP68 waterproof rating, making them suitable for swimming, workouts, and daily wear. The fully sealed structure ensures durability against sweat, rain, and splashes, maintaining reliable performance in all conditions