Smart Ring, Fitness Smart Ring, 7 Days Battery Life, Magnetic Charging, Waterproof and Energy Saving, For Monitoring Health, Body Temperature, Sleeping and Heartbeat, Fitness ( Color : Silver , Size : 【24/7 Activities Monitoring】Our high-precision and high-performance sensor accurately obtains data and monitors your activity 24/7. Daily washing, bathing, swimming and other wading scenes. No need to take them off. 【Sport Monitoring】The app offers various sports activities including indoor, and outdoor. Wear the ring to track your sports data such as steps, distance, calories, heartbeat, and pace. View the map path tracking and detailed exercise data to improve your performance...