Smart Ring Product Description **Size Guidance for Fit** For the comfort and performance, measure the circumference of your finger and refer to the included size chart before . Choosing the correct size ensures a secure yet comfortable fit and helps avoid unnecessary returns or exchanges. **Extended Battery Life** Enjoy uninterrupted health tracking with a 7 to 10 day battery life. When paired with the included smart charging case, usage can extend beyond 30 days. Whether monitoring sleep patterns, tracking physical activities, or managing daily health data, this long battery duration minimizes the need for frequent charging. **No Subscription Required** Access all functions without any ongoing app subscription fees. Simply wear the smart ring to track health metrics, exercise performance, and daily activity data directly, making monitoring straightforward and costeffective. **80Meter Waterproof Design** Built to withstand water immersion up to 80 meters, the smart ring is suitable for a wide range of activities. Wear it during swimming, intense workouts, or everyday tasks without worrying about water damage. Its comfortable and skinfriendly materials make it suitable even for sensitive skin. **RealTime Accurate Health and Fitness Tracking** Equipped with advanced sensors, the smart ring delivers precise, realtime insights into sleep quality, daily activity, steps taken, calories burned, and exercise performance. Sleep cycle tracking helps you optimize rest and recovery, while fitness monitoring supports targeted workout goals. **Practical Use Scenarios** 1. **Daily Wear**: Monitor activity levels at work or home without any extra effort. 2. **Fitness Training**: Track calories burned, steps taken, and workout intensity during gym sessions or outdoor activities. 3. **Sleep Optimization**: Receive detailed sleep cycle data to improve rest quality and maintain overall wellbeing. With its accurate tracking, long battery life, robust waterproof design, and subscription operation, this smart ring is a reliable companion for health monitoring in all lifestyles.