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

Key features

• 💓【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.