HealthTree - Health assistant

1. Simultaneously display the blood oxygen heart rate value measured by the oximeter, and it also has the PI function. 2. Can set alarm, set the highest and lowest of Spo2 and heart rate according to your physical condition. 3. View historical values, there are two modes to view the graphics mode and list mode. 4. Export historical data, you can export the measurement data on a specified date and share it with your personal doctor. 5.Support syncing blood oxygen and heart rate statistics to health app (Apple Health and Apple CareKit). The app is only intended for US, China, & the European Economic Area. Note: HealthTree belongs to non-medical category, can not be used for medical purposes, can be used as an auxiliary!