Feature:1. DISPLAY: Convenient for you to easily check the current time, step count. No need to take out your cell phone or watch frequently, making time management more convenient. It has touch buttons for switching on off and function interface switching.2. MULTIPLE SPORT MODES: Support hiking, cycling, running and other sports modes, more real time recording of the length of exercise and step count and other important data.3. PHONE APP ASSOCIATION: The ring can be associated with the cell phone APP data after wearing, so that you can pay more attention to your own data situation, helping to develop good living habits.4. IP68 DEEP WATER RESISTANT: Whether you are washing your hands, showering, swimming, or diving in shallow water, it works without worrying about water getting in and affecting the function.5. POWERFUL LONG LIFE: It comes with an efficient and convenient charging case. The ring can be easily charged 4 to 6 times, providing you with a long lasting battery life experience. With the charging case, it lasts for 3-5 days.Specification:Item Type: Smart RingMaterial: Stainless SteelRing Battery Capacity: 18mAh, Li Battery (Built In)Charging Case Battery Type: Li Battery (Built In)Charging Case Battery Capacity: 200mAh.Package List:1 x Smart Ring1 x Instruction Manual1 x Charging Case