Key Features: All-Day Health Monitoring Track estimated heart rate, blood oxygen (SpO2), and sleep patterns automatically. Gain insights into your wellness trends with continuous monitoring. 10+ Sport Modes Accurately records running, cycling, swimming, yoga, and other activities. Tracks steps, distance, and calories with precision sensors. 5-Day Battery Life Enjoy extended usage with up to 5 days of continuous monitoring and 10 days standby. IP68 waterproof rating protects during workouts and daily wear. Smart Health App Sync data to iOS/Android app (9.0+/5.0+). Share progress with friends and use smart camera control. Social features keep you motivated. Comfortable Design Hypoallergenic resin and stainless steel construction. Available in Black and Rose Gold colors. Seven sizes (US 7-13) for perfect fit. Specifications: Sensors: Optical heart rate + SC7A20H accelerometer Battery: 20mAh rechargeable Water Resistance: IP68 rated Materials: Resin + 316L stainless steel Compatibility: iOS 9.0+ / Android 5.0+ Package Includes: Smart ring, charging cable, user manual Note: Wellness tracking data is for reference only. Not a medical device. Consult healthcare professionals for medical advice