Tabatimer

Tabata-protocol training timer
After preparation time 10 seconds, it is 8 sets of interval timer to 20 seconds of exercise and 10 seconds rest.

Tabata-protocol training is the training method that was observed worldwide effect.
Exercise is to choose one that suits running, bicycle, on their own such as the squat,
By done to observe the time to increase endurance in 4 minutes, obtained the same fat burning effect as training time.

In this app, you can play your favorite video (youtube).