2026 Smart Ring for Women and Men,Health Catcher,Fitness Smart Ring,Activity Tracker,Sleep Monitor,Stress/Heart Rate/Cycle Monitoring for Women - No Subscription Required (Black, #10-ID:19.76mm)

OULENCU Smart Ring - The Most Innovative Smart Ring

OULENCU Smart Ring, a stylish and comfortable smart ring that tracks your sleep, activity, encouraging healthier daily habits.

Your All-in-One Health Companion – Smart Ring for Sleep, Heart Rate & Stress Tracking

OULENCU Smart Ring: Enhance your well-being with our meditation courses and holistic health insights.

Our meditation courses empower users with scientific methods to explore stress and anxiety relief, enhance sleep quality, and promote overall relaxation. Through these courses, we advocate for mindfulness in fostering personal well-being and spiritual growth, enabling a more positive and fulfilling life.

Smart Ring size chart in inches and in centimeters

If you haven't measured your ring size yet, you can choose to measure the diameter or circumference of your finger using the following method. Then compare those numbers to the inner diameter or inner circumference in this ring size chart to determine your smart ring size.

How to measure ring size at home?

OULENCU Smart Rings are a great way to express affection as well as a good gift to reward ourselves. But before purchasing a beautiful ring, we need to figure out how to measure our smart ring size.

If you use a string, do it in the same way as you would with a strip of paper, but be careful to choose a string without elastic.Tip: When wrapping the paper or string around the finger, make sure that the finger can turn around but the ring will not fall off.

💓【Smart Ring for Sleep, Oxygen & Stress Monitoring】- This smart ring for men & women tracks Deep, REM, Light, and Awake stages with a Sleep Index. Continuous SpO2 and stress tracking provide valuable insights into recovery and wellness.
💓【Daily Fitness & Cycle Tracking Ring】- Use this fitness tracker ring to monitor steps, calories, activity levels, and metabolism. Includes women’s cycle tracking for complete health management.
💓【Accurate Smart Ring with IP68 Waterproof Design】- Built with professional-grade sensors for heart rate, SpO2, and movement tracking. IP68 waterproof smart ring ensures reliable performance for all-day wear.
💓【Workout Mode for Men & Women】- This smart ring for fitness delivers real-time workout data, monitoring heart rate and intensity to help optimize training results and cardiovascular health.
💓【Long Battery Life & Free Health App】- A 10-minute charge powers this smart ring for a full day, while a full charge lasts 6–7 days. Connect to the free health app with no subscription, compatible with Android & iOS.
【Accurate Smart Ring with IP68 Waterproof Design】- Built with professional-grade sensors for heart rate, SpO2, and movement tracking. IP68 waterproof smart ring ensures reliable performance for all-day wear.