Feature:1. Screen and Key: Easily view the current time, steps, and more without constantly reaching for your phone or watch, enhancing time management. Features touch key for easy power on off and function interface switching2. Multiple Sports Modes: Supports various sports modes including hiking, cycling, running, and more, while providing real time monitoring of important data such as exercise duration and step count3. Mobile APP Link: When worn, the ring can sync data with your mobile APP, allowing you to gain a more accurate understanding of your physical metrics and fostering the development of life habits4. IP68 Water Proof: This ring has IP68 water proof rating, ensuring normal work during hand washing, showering, swimming, and shallow water diving, eliminating concerns about water ingress affecting functionality5. Long Lasting Battery: This smart ring is equipped with a built in 18mAh li battery for extended usage, accompanied by a convenient charging cable for daily and outdoor use, convenient and practicalSpecification:Item Type: Smart RingProduct Material: Stainless SteelRing Battery: 18mAh, Li Battery (Built in).Package List:1 x Smart Ring1 x User Manual1 x Charging Cable