Feature: 1. Health Monitoring: Smart health ring seamlessly tracks your daily steps, calories burned, activity distance, providing real time updates at your fingertips. Utilizing your data, it generates a health recovery index, making it a reliable basis for planning your exercise and daily activities. 2. Multi Sports Mode: Nicely paired with our sports application featuring dozens of athletic activities. While wearing the ring, you can record and view your exercise data. Enjoy features like map route tracking and in depth sports data analysis to understand your workout details better and push past your limits. 3. IP68 Waterproof and Dustproof: Fitness smart ring meets your everyday waterproof needs impeccably. Its IP68 rating ensures that you can be active without worrying about sweat or other water elements, letting you maintain a more active lifestyle more comfortably. 4. Detailed Specifications: Assembled with metal and benefits from a comprehensive list of features. It has a resilient Poly Cobalt battery life that lasts 7‑9 days with regular use, it takes only 2 hours to fully charger for 10‑15 days standby time. The ring comes in four sizes suitable for most fingers and a 3mm in thickness. 5. Perfect Gift Option: Sleep monitor ring is not just an accessory, It is a thoughtful gift that keeps on giving! It is perfect for a multitude of occasions and holidays such as birthdays, anniversaries, Thanksgiving, Christmas, or Valentine's Day. Specification: Item Type: Smart Health Ring Material: Metal Ring Battery Type: Polymer Cobalt Battery (Shipped with Built in Battery) Ring Battery Capacity: 17.5mAh Charging Time: 2 hours Standby Time: 10-15 days Usage Time: 7-9 days Thickness: Approx. 3mm / 0.12in. Package List: 1 x Smart Health Ring 1 x Charger 1 x User Manual