Feature:1. Multifunctional Display: Easily view the current time and step count without frequently taking out your phone or watch, making time management more convenient. The touch buttons allow for power on/off and switching between function interfaces.2. Multiple Sports Modes: Smart fitness ring is built in hiking, cycling, running and other multi sports modes, while providing real time monitoring of exercise duration and step count, helping you achieve daily goals.3. Phone App Integration: Once worn, the fitness ring can connect with a mobile app to track your data more accurately, assisting you in developing health lifestyle habits.4. IP68 Water Resistant: The smart ring has an IP68 water resistant rating. It operates normally whether you're washing your hands, showering, swimming, or engaging in shallow water diving, without the worry of water damage affecting its functionality.5. Sturdy and Comfortable: The smart ring is made of stainless steel, a combination of solidity and elegance, light weight, ensuring a comfortable and no burden wearing experience. Fashionable appearance, suitable for all occasions to wear.Specification:Item Type: Health Tracker RingMaterial: Stainless SteelRing Battery Capacity: 18mAh, Li ion Battery (Shipped with built-in battery)Charging Case Battery Type: Li ion Battery (Shipped with built-in battery)Charging Case Battery Capacity: 300mAhHow to Choose Size: According to the inner circumference.Package List:1 x Ring1 x User Manual1 x Charging Cable1 x Charging Case