Feature:1. Step Counting Ring: Record your steps, distance, calories, and speed, allowing you to always observe your physical health. The light, small ring for all day continuous tracking, adapt to most fingers.2. Data Sync with APP: Download and pair for LuckRing APP before using the smart ring. View your data on the APP. Supports for Android 5.0 or for iOS 10.0 and above versions.3. IP68 Waterproof and Dustproof: Smart health ring with IP68 waterproof technology allows wearing while swimming, diving, or snorkeling up to 1000 meters depth, meeting all your waterproof needs.4. Long Lasting Battery Life: Ultra low power consumption ensures continuous monitoring for 7 days on a single charge without interruption. Perfect gift choice for weddings, graduations, or housewarming parties.5. Unique Design: Show off your personal style with a distinct stainless steel case and a resin interior. The smart ring shines with confidence at all times, inside and out. Our smart ring is lightweight, fashionable and comfortable.Specification:Item Type: Smart Ring Health TrackerMaterial: Resin, Stainless SteelRing Battery Type: Lithium Battery, 20mAh (Shipped with)Ring Standby Time: about 7 DaysRing Charging Time: 60 MinutesAPP: for LuckRing.Package List:1 x Smart Ring Health Tracker1 x User Manual1 x Charging Cable