Note:Before purchasing the smart ring, please make sure to measure the size of your finger accurately to avoid unnecessary trouble and returns 【Smart Life Engine】Seamlessly sync with Apple Health, use gesture photography or brush TikTok and upgrade with Bluetooth OTA, scratch-resistant stainless steel case and multi-color design will make it your fashion tech item. 【All-terrain sports companion】The 5ATM waterproof design can ensure that the ring is suitable for multiple scenarios, and at the same time, it has the function of automatic detection of multiple sports of running/yoga and cycling and real-time step count recording. 【Protecting Women's Health】Women's Health Mode tracks the menstrual/ovulation window with cycle logging, with a hypoallergenic curved design that fits comfortably on your fingers during yoga, travel, or professional meetings. 【Multi-language system】The multi-language interface supports multiple languages for rings, while the smooth bezel and metal finish make it easy to transition from fitness classes to formal events – your discreet guardian of your health. 【24/7 health intelligence】The sensor continuously monitors heart rate, blood oxygen, and stress index, and combines with the AI-driven PAI health score algorithm to generate daily health reports to help you quantify your physical condition (suitable for sedentary office hours/staying up late to work overtime/traveling on the road) Designed for precision and elegance, the R12 smart ring redefines wearable technology with a medical-grade metal case and a 5ATM waterproof humanized arc design, seamlessly adapting to workouts, swimming, or board meetings. Empower your health journey with AI-driven health insights: Track your professional PAI Health Score with patented algorithms, optimize women's health with menstrual cycle prediction, and get real-time data on heart rate, blood oxygen, stress levels, and sleep quality. Multi-sport detection, high-precision step counting, and gesture-controlled photography are perfect for hands-free capture of TikTok moments. Stay connected with Bluetooth OTA updates and syncing with WeChat Sport/Apple Health, while a multi-language interface ensures global availability. Featuring wireless charging and multiple adjustable ring sizes, this luxurious wellness companion blends cutting-edge technology with aesthetics, making it perfect for health-conscious professionals, fitness enthusiasts, and stylish women.