R10 Smart Ring, Smart Health Ring for Women, Features Heart Rate, Blood Oxygen, Sleep Monitoring, Pedometer, and Fitness Tracker, No Subscription Fee. (Silver, 9#)

Before purchasing the Smart Ring R10, we recommend buying the sizing kit to help you select the correct ring size. The Smart Ring R10 employs distinctive craftsmanship to achieve a refined look, ideal for fashionable outdoor wear. No app subscription fees are needed! This smart ring requires no monthly payments. Access all features immediately after unboxing, instantly unlocking core data like heart rate monitoring, sleep analysis, and activity tracking, simplifying health management. It tracks continuous nighttime sleep for overall wellness trends. Please note: The algorithm is precisely calibrated for nighttime cycles to maintain data accuracy. Measure blood oxygen saturation (SpO2) quickly with one tap to evaluate your body's oxygen supply efficiency, offering more thorough daily health management. It monitors long-term activity trends through natural arm swings. The algorithm excludes stationary hand movements to avoid data inaccuracies. Perfect for reaching comprehensive health and lifestyle objectives! A portable charging case is included for convenient charging anytime, anywhere, eliminating concerns about power depletion. 24/7 real-time heart rate monitoring protects your heart rate health continuously, keeping you updated on your physical condition