This Smart Ring features: – 5ATM Waterproof;Suitable for daily hand washing, rain, swimming and showering. – 24/7 Health Tracking;Monitors heart rate, blood oxygen and sleep data. – Multi-Sport Modes:Running, cycling, jump rope, walking, hiking, yoga, dance and golf. – Ultra Lightweight: Only about 2.9g, comfortable for all-day wear. – Long Battery Life:3–5 days daily use, 7–9 days standby, magnetic charging. – Smart Reminders: Sedentary alert, low battery reminder and heart rate warning. – Fashion Meets Smart Life: Boasting fashionable, versatile and casual styling, it is perfectly built for comfortable everyday wear. It makes a wonderful gift for family members and friends on various festivals and special occasions. Health is the top priority for holiday gifting. Treat your beloved ones with this thoughtful practical present. 📌 Main Functions Motion Data: Accurate distance tracking, precise calorie calculation, and reliable step counting. Multi-Sport Modes: Running, cycling, rope skipping, walking, mountaineering, yoga, dance, golf. Step Counting: Self-developed high-precision step counting algorithm for rings, with accuracy over 95%.Heart Rate Monitoring: APP-integrated heart rate test, all-day dynamic heart rate trend and data analysis. Sleep Monitoring: Precise sleep tracking with sleep quality analysis and smart reminders. Blood Oxygen Monitoring: APP-integrated blood oxygen test, automatic monitoring and historical data display. Camera Control: APP shake-to-take-photo function. Other Settings: Unit switching, sedentary reminder, low battery reminder, heart rate warning. Real-Time Data on Your Phone Connect via Bluetooth to view real-time health and motion data conveniently. ⚙️ Product Specifications Outer Material: Stainless Steel Case Waterproof Grade: 5ATM Bluetooth Version: Bluetooth 5.3 Low Energy Compatibility: Android 8.0 and Up / iOS 10.0 and Up Battery Capacity: 15mAh–20mAh Rechargeable Battery Charging Type: Magnetic Charging Net Weight: Approx 2.9g Ring Thickness: 2.6mm Slim Profile App Support: Smart Health · 31 Languages Supported Sensor: G-Sensor STK8321 Designed for Daily Life Lightweight, slim and comfortable for fitness, work and sleep. 📦 What’s Included – 1 x Smart Fitness Ring – 1 x Magnetic USB Charging Cable – 1 x User Manual