Rocar Health APP combined with Rocar watch provides users with more comprehensive and powerful health services, including healthy drinking, body temperature care, heart rate monitoring and analysis, stress monitoring and analysis, blood oxygen monitoring and analysis, sleep monitoring and analysis, as well as step counting, distance, heat , sports records and other sports related content,The Rocar watch also supports call display and hang up functions.blood oxygen,drinking, body temperature,sleep , heart rate data is for records only,are only designed for general fitness and wellness purposes, are not a medical device,that they are not intended for medical use. Contains model: M-90.