The smart ring is a smart wearable device that combines the latest technology and fashionable design, aiming to provide users with comprehensive health monitoring and convenient life experience. The following is a detailed description of the smart ring: Heart rate monitoring: Built-in high-precision sensor, real-time monitoring of heart rate changes, providing 24-hour heart health monitoring, helping users understand their own health status. Blood oxygen monitoring: The smart ring measures blood oxygen saturation through optical sensing technology, helping users to understand blood oxygen levels more comprehensively and respond to potential health problems in a timely manner. Sleep monitoring: It can automatically monitor the user's sleep quality, analyze deep sleep, light sleep, and wakefulness, provide reasonable sleep suggestions, and promote healthier living habits. Sports tracking: Built-in sports sensor, records steps, distance, calories consumed and other sports data, provides users with scientific sports suggestions, and promotes healthy exercise. Disclaimer: "Not for medical use, only for general fitness/health purposes."