1) Communicate with hardware devices via Bluetooth;
2) User section for login/registration: Users can log in using their phone number and password, and registration can be verified through SMS;
3) APP and server data synchronization, bidirectional data interaction;
4) SQLite local data storage;
5) SQLite database statistical retrieval;
6) Interface parameter display, waveform display, bar chart display, pie chart display;
7) Data analysis: physiological data analysis, exercise statistics, sleep analysis, etc;
8) Online upgrade of hardware equipment;
9) APP online upgrade;
10) Wait a minute~