R10 Smart Ring, Smart Health Ring for Women, Features Heart Rate, Blood Oxygen, Sleep Monitoring, Pedometer, and Fitness Tracker, No Subscription Fee. (Silver, 7#)

[Size Kit Recommendation] Before buying the Smart Ring R10, we suggest getting the sizing kit to assist in selecting the correct ring size. [Elegant Design] The Smart Ring R10 employs distinctive craftsmanship to achieve an elegant design, ideal for fashionable outdoor wear. [No App Subscription Fees] Forget about monthly charges! This smart ring does not require app subscription fees. Access all features immediately upon unboxing, instantly unlocking core data like heart rate monitoring, sleep analysis, and activity tracking, simplifying health management. [Nighttime Sleep Insights] Monitors continuous overnight rest for overall wellness trends. Note: The algorithm is precisely calibrated for nighttime cycles to maintain data purity. [Blood Oxygen Monitoring] Measure blood oxygen saturation (SpO2) swiftly with one tap to evaluate your body's oxygen supply efficiency, offering more thorough daily health management. [Daily Health Tracking] Tracks long-term activity trends through natural arm swings. The algorithm excludes stationary hand motions to avoid data inaccuracies. Excellent for reaching overall health and lifestyle objectives! [Portable Charging Case] Comes with a small charging case for convenient charging anywhere, eliminating concerns about power depletion. [Heart Rate Monitoring] Provides 24/7 real-time heart rate monitoring to protect your heart rate health continuously, keeping you updated on your physical condition