1.Only 3.6g: Enameled smart ring features vibrant colors and a unique luster that exude elegance. The enamel technique adds depth and texture, giving the ring a captivating shine in sunlight, ideal for those who appreciate individuality and refined living. 2.Health Monitor: This smart ring uses optical sensor technology to monitor heart rate and blood oxygen saturation, providing intuitive data support for your health. When night falls, the builtin gravity sensor in the ring estimates your sleep time based on your movement frequency and provides feedback on sleep quality as a reference. 3.Comprehensive Sports Tracking: This smart ring accurately records your activity data throughout the day. The ring calculates your steps, distance traveled, calories burned, and heart rate fluctuations during exercise. Additionally, the smart ring provides many different sports modes, including but not limited to walking, running, cycling, and various indoor and outdoor activities. 4.Powerful App: By downloading the corresponding application on your smartphone, the ring synchronizes the monitored data to your phone, allowing you to view the collected data at any time. Whether you're an Android or iOS user, this application can adapt to your system, providing detailed charts to help you monitor your activity progress and health status.