Smart Ring Health Tracking, Sleep Tracking, Heart Rate, Blood Oxygen, Blood Pressure，Fitness Ring, Activity Monitoring, 5 Days Battery, 5ATM Waterproof, No Subscription (Gold, 6#)

About this item 【Measure Before Purchase】: First measure finger circumference. The measuring tape should wrap around your finger joint, fitting snugly but not too tightly. After measuring, refer to the circumference guide on the product details page to find the closest ring size number and select it. 【24/7 Comfortable to Wear All-day】: The ring is made of titanium alloy, which is stylish and healthy. Weighing 0.088oz and thickness 0.1inch, ultra-light and ultra-thin,that you can barely feel it. The surface of the ring is finely lubricated and 5ATM waterproof, making it perfect to wear. Compared to bulky smartwatches, fitness bands, or pedometers, the ring is lighter and more comfortable, leting you fall love with health monitoring 【Chip upgraded, Precision Sensing】- This smart ring is equipped with precision sensors, including multi-axis acceleration, optical blood oxygen saturation, optical heart rate, and infrared sensors running at the same time. These sensors are ensuring superior accuracy and performance,can comparable to professional-grade equipments 【Health on the Finger】: This delicate Health ring is designed to provide sleep monitoring, exercise monitoring, 24-hour blood oxygen and heart rate, psychological state. We also provide a family and friend care function, you can view the health data of your family through the APP, and care about their health status for real, especially the elder people 【Smart Sleep Monitor】: This sleep ring can monitor your sleep, your onset, wake time, deep and light sleep time, sleep quality. You can check daily, weekly, and monthly sleep data in the app to help you adjust your habits and improve your sleep quality. 【Activity Tracking】: Men and women's fitness rings tracking your steps, calories, and distance data automatically. A lot of sports modes, such as Running, cycling, skipping, hiking, mountaineering, yoga, golf, dancing,etc 【Long battery life and wide compatibility】: The battery can last for 5 days, and the charging ca