Smart ring Sleep blood oxygen heart rate monitoring
The smart ring is a small electronic device that integrates a variety of sensors and wireless communication modules, which can be worn on the finger to monitor the user’s health data in real time and provide a variety of functions, which can monitor the user’s heart rate, blood oxygen, sleep quality, temperature and other health indicators, as well as record the user’s daily activities, including heart rate, step count, calorie consumption, exercise duration, etc