HIIT Fat Burning description

HIIT
High-intensity interval training, is a training technique in which you give all-out, one hundred percent effort through quick, intense bursts of exercise, followed by short, sometimes active, recovery periods. This type of training gets and keeps your heart rate up and burns more fat in less time.

All workouts explained by animation.
Local timer and for each period.

Training with sound and timer.

Full free, no internet connection needed.