Main functions:
1. Temperature monitoring, automatic monitoring and recording of data throughout the day
2. Blood pressure monitoring, recording historical blood pressure data
3. Heart rate monitoring, automatic monitoring and recording of data throughout the day
4. ECG monitoring, ECG report
5. Blood oxygen monitoring
6. Weather display
7. Reminder for incoming calls (Android, Apple), displaying contact names
8. SMS, QQ, WeChat reminders (Android, Apple), content display
9. Missed call