1.NFC Functionality: This smart ring incorporates premium technology for precise data monitoring and smart manufacturing. With built in NFC, it can be used as an NFC card, automatic link sender, and quick and Bluetooth connection. Not only is it intelligent, but it also boasts a simple and elegant design, making it incredibly fashionable. 2.Comprehensive Sleep Analysis: By analyzing sleep efficiency, latency, time, stages, movements, and temperature, this ring provides a comprehensive understanding of sleep behavior and body condition. The sleep tracking feature makes it an ideal companion. 3.Boost Your Fitness: Experience a diverse range of indoor and outdoor activities through the smart ring application. Simply wear the ring to effortlessly track steps, distance, calories, and pace. Analyze map routes and detailed exercise data to enhance your performance and push your limits. 4.Smartphone Camera : The ring doubles as a remote shutter release, allowing you to take selfies or group photos without needing assistance. Even when you're alone, you can record shots with ease. It can also be used for video scrolling, electric book page flipping, and music control.