Tabata training is a set of 20 seconds of exercise and 10 seconds of rest, repeated 8 times for a total of 4 minutes.Research has proven that it is extremely effective for weight loss and can achieve the same fat burning effect as long-term training in a short period of time.With this app, you can accurately determine the time (20 seconds of exercise + 10 seconds of rest) x 8 times = 4 minutes.Each interval time can be set.You can adjust the volume by pressing and holding the sound button.