This is a tool to set up a sports countdown reminder and calculate your lung capacity and body mass index at any time.

1. You can choose the exercise time according to your physical condition;

2. Countdown reminders can be set and a variety of reminder music is available for you to choose from；

3. You can test your lung capacity and body mass index at any time and refer to the scoring criteria；

4. Develop an exercise plan based on the calculated index.

If you like sports, what are you waiting for, download now!