O Ring Smart Ring, Fitness Trackers Rings with Sleep/Stress/Heart Rate/Women's Health Monitoring, No Subscription, Comfortable Wearing, Long Using, Fitness Ring for Android & iOS, Black-Size11

Check Your Size Before Purchase: This smart ring features a unique design that differs from standard ring sizes. Utilize the included sizing kit to determine your ideal size and wear the test ring for 24 hours to confirm all-day comfort. All-Day HRV Stress Monitoring: Manage stress with personalized insights. The ring automatically assesses stress levels hourly using advanced HRV monitoring. Get practical recovery suggestions to enhance mental balanceeffortlessly monitor your body's response without disrupting your daily routine. Advanced Sleep Analysis: Attain deep, restorative sleep. It offers clinically accurate sleep staging (Deep/Light/REM), overnight HRV trends, and blood oxygen monitoring. Access your sleep score with customized improvement objectives to wake up feeling refreshed and full of energy. 3-Activity Fitness Tracker: Monitors steps, distance, and calories burned through intuitive triple-ring targets. Ideal for workouts, walks, or daily activitiestransform activity into accomplishment with live progress updates. Womens Wellness Support: This fitness ring includes cycle tracking & predictions, period logging, fertility window forecasting, and data syncing with health trends. Created for comprehensive female care, it delivers privacy-focused insights for informed wellness choices