Features:_x000D_Advanced Health Monitoring: The Smart Rings tracks heart rate, blood oxygen levels, Calories, and sleep quality seamlessly, ensuring you stay informed about your health status effortlessly._x000D_Water Resistance: With IP68 waterproof, the rings can be worn worry-free in various conditions, including swimming and showering._x000D_Real-Time Exercise Monitoring: Supports multi different exercise modes, providing real-time heart rate data during workouts to help optimize your fitness routine._x000D_Stylish and Innovative: Combines cutting-edge technology with a stylish design, making it a perfect accessory for health-conscious individuals._x000D_Notice:_x000D_1.Actual color may be slightly different from the image due to different light effect_x000D_2.Please allow 1-3cm deviation due to manual measurement_x000D_ _x000D_Description:_x000D_Battery capacity: 17 mAh_x000D_APP: QRING_x000D_Bluetooth: 5.0_x000D_Waterproof level: IP68_x000D_Charging method: Magnetic chargingPackage List:_x000D_1x Health-Tracker Smart Rings