Opove 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-Size10

【Get the Sizing Kit First】O Ring smart ring’s sizing differs from standard jewelry rings. You must use our official sizing kit before purchasing — wear the tester ring to confirm comfort and accuracy. This step is critical to avoid returns and ensure reliable heart rate and HRV tracking
【Innovative Stress Tracking】Opove fitness tracker ring tracks HRV in the background 24 hours a day, automatically quantifies stress levels, and helps you manage stress through personalized insights. Easily track your body’s responses without disrupting your daily life
【Comprehensive Sleep Management】O Ring records and analyzes deep sleep/light sleep/REM/wake duration in detail, providing core vital signs data such as sleep score, heart rate, blood oxygen, and HRV, turning complex sleep information into understandable scientific advice to help you manage your sleep
【One Ring, Multiple Functions】One opove fitness ring handles all your daily health management needs-Step tracking, activity tracking, mood tracking, menstrual cycle prediction for women, basal body temperature monitoring, and more. Plus continuous performance improvements and new feature additions provide a customized and evolving experience
【No Subscription Fee】All practical and fun features are free with the companion app (App Name: opove).O Ring ensures that you can continuously experience real-time health tracking and personalized insights.（Compatible with both iOS and Android）
【Comfortable and Waterproof】Weighing only 3 grams, made of durable titanium, 5ATM waterproof, no need to remove it when washing hands or showering; O Ring is specifically designed for all-day wear, offering comfort and durability, with a stylish look that complements your outfit

Product summary

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