Feature:1. Intelligent Fitness Tracking: With real time phone synchronization, the smart health ring accurately tracks your activity data, including various exercise modes, mileage statistics, workout time, calories, and steps.2. Convenient Bluetooth Connectivity: You need to connect with the ring through your phone's Bluetooth, keep the Bluetooth on, and the Bluetooth connects automatically when the APP starts. When not connected to the phone, the ring can also independently carry out body monitoring, to be connected to update the data in the APP.3. IP68 Water Resistant Design: Designed with IP68 water resistant capability, this smart ring health tracker allows you to wear it confidently in the shower, swimming, or washing hands, without worry.4. Efficient Magnetic Charging: Featuring a powerful magnetic coil, the smart ring charges efficiently. Simply attach and it charges fully in around 1 hour, offering up to 7 days of standby time.5. Lightweight Stainless Steel: Crafted from premium stainless steel, the smart ring fitness tracker weighs around 5 grams, blending minimalism and durability for everyday wear.Specification:Item Type: Smart Health RingMaterial: Stainless SteelRing Battery Type: Li Ion Battery, 20mAh (Shipped with Built in Battery)APP: for Smart Health.Package List:1 x Smart Ring1 x User Manual1 x Charging CableNote:Proper wearing: When wearing, please ensure that the optical sensor is in close contacting with the skin of the fingertip to ensure accurate data.