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

[Purchase Sizing Kit] Before purchasing the COLMI Smart Ring R10, we recommend purchasing the COLMI sizing kit to help you choose the right ring size.
[Exquisite Appearance] The COLMI Smart Ring R10 utilizes unique craftsmanship to create an exquisite appearance, perfect for stylish outdoor wear.
[Heart Rate Monitoring] 24/7 real-time heart rate monitoring safeguards your heart rate health around the clock, allowing you to stay informed about your physical condition.
[Sleep Monitoring] In-depth analysis of sleep stages (deep sleep, light sleep, and awake time) helps you sleep well and wake up refreshed.
[Blood Oxygen Monitoring] Quickly measure blood oxygen saturation (SpO2) with one click to assess your body’s oxygen supply efficiency, providing more comprehensive daily health management.
[Exercise Recording] Records calorie consumption, duration, and exercise results, and generates exercise reports, making it your all-day fitness coach.