💡 Elevate Your Health Game with Every Breath! Comfortable fit for all-day wear. Detailed reports via app and PC. All-day monitoring of your vital stats. Rechargeable for long-lasting use. Vibration reminders for optimal health. Continuous Tracking Smart App Integration Rechargeable Battery The Wellue O2Ring Oxygen Monitor is a cutting-edge device designed for continuous tracking of blood oxygen levels and pulse rates. With a rechargeable battery lasting up to 16 hours, it features smart vibration reminders for health alerts, user-friendly design, and detailed reporting through a free app and PC software. Ideal for sports and aviation enthusiasts, this device combines functionality with comfort.