Сейчас ищут
Rep Timer. Смотреть видео: 45 Sec Work 15 Sec Rest Interval Timer 45 15 Interval Timer Up To 60 Reps, Interval Timer 30 Seconds, Interval Timer 45 Sec Rounds 15 Sec Rests Including Links To 14 Workout Routines, Interval Timer 20 Second 10 Second Rest.