Precise Temperature Monitoring: Keep track of changes in your body temperature with the R3 Smarty Ring. This intelligent ring features a built-in temperature measurement function, allowing you to monitor body surface temperature in real-time. With the ability to generate a temperature change report, you can ensure a safe and reassuring day when you're out and about.Health Monitoring at Your Fingertips: The R3 Smarty Ring acts as your private health butler, providing 24/7 measurement of various health signs data. It offers sleep monitoring, providing sleep recommendations to help improve your sleep quality. With itscomprehensive health monitoring capabilities, including heart rate monitoring, blood oxygen monitoring, and body temperature measurement, you can stay on top of your physical condition.Compact and Powerful Nanotechnology: With the continuous development of nanotechnology, the R3 Smarty Ring integrates smaller electronic components, resulting in a smaller size without compromising on health functions. Experience a more powerful health function experience in this compact ring.Exercise Tracker on Finger: Stay on top of your exercise status with the fitness-tracking capabilities of this compact and lightweight smart ring. It automatically tracks steps, distance, and calories, and offers multiple exercise modes. Easily view all your sports data on the accompanying app, making it convenient for walks, parties, and travel.Soft and Skin-Friendly Design: Thanks to the low thermal conductivity of nanocrystals and meticulous CNC polishing, the R3 Smarty Ring has a warm and jadeite feel. With a weight of only 6.8g and a smooth and skin-friendly design, you can enjoy a seamless and comfortable wearing experience.Sleep Monitoring and Analysis: Enable sleep mode on the R3 Smarty Ring to receive sleep assistance advice and generate professional sleep data through the accompanying app. The ring provides comprehensive sleep analysis, helping you understand your sleep patterns and develop healthier sleep habits. Good Quality and New Technology: Crafted with high-quality aluminum-titanium alloy, the smart ring is both lightweight and skin-friendly, ensuring a comfortable wearing experience. It features a long battery life, offering 3-5 days of usage on just 0.5-1 hour of charging. With IP68 waterproof technology, it is sweatproof and can be worn while washing hands, making it an ideal companion for a healthy lifestyle.