Feature: 1. Step Counting: Smart health ring can accurately calculate the number of steps per day to help users monitor movement, which ​is an innovative activity tracker. 2. Sports Mode: Smart ring health tracker can provide intelligent detection of different movement modes, providing personalized movement data analysis for you. 3. Improve Sleeping: With its sleep monitoring feature, the health ring tracks the quality of your sleep and temperature, which helps to improve your sleep quality. 4. Metal Construction: Made from metal for a stylish and durable design, the smart health ring is built to last and withstand daily use without tear or deformation. 5. Automatic Detection: Easily connect the health ring to your smartphone, which can automatically detects various data without manual operation by the user. Specification: Item Type: Smart Health Ring Material: Metal Ring Battery: 18mAh Lithium Battery(Included) Charging Case Battery: 300mAh Lithium Battery(Included) Charging Time: Approx. 1 hour Working Time: 3-5 days . Package List: 1 x Smart Health Ring 1 x Battery Case 1 x Charging Cable 1 x User Manual