Interval Timer Without Music - HIIT 40 sec Work / 20 sec Rest | 74 

" Workout music with timer " helps you to pursue your session easily, the beep mark the start or the end of the work or the rest time , it depends on what type of timer and duration you choosed.
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■ Features of this video
Type of Timer : Interval Timer
Duration : 30 minutes | 40 seconds Work / 20 seconds rest
■ Feel free to share your workout plan in comments.
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