The Orbyt Smart Ring Provides Detailed Insights Into Your Daily Physical Activity & Health Metrics, Including Heart Rate & Blood Oxygen Levels. It Also Helps You Monitor Sleep Quality & Stress Levels, Giving You A Comprehensive View Of Your Overall Well-Being. With Over 100 Pre-Registered Sports, It Enables Precise Tracking During Various Activities. Its 5 Atm Protection Rating Makes It Suitable For Swimming, Adding Versatility To Your Fitness Routine. Crafted From Durable Aluminum Alloy, The Ring Is Available In Three Sizes To Ensure A Comfortable Fit. The Included Magnetic Charger Case Fully Charges The Ring In Just 1.5 Hours, Providing Up To 15 Days Of Standby Time Or Up To 7 Days Of Continuous Use. Ring Size: 8-18.3 Mm & 9-19.1 Mm & 11-20.8 Mm. Minimum Quantities Apply.