This is a simple timer for workout. The middle number is number of round. The number on top is the count down number. Holding on the ring will reset all of number. Pressing "Workout time" and "Rest time" can switch the time.
This is a simple timer for workout. The middle number is number of round. The number on top is the count down number. Holding on the ring will reset all of number. Pressing "Workout time" and "Rest time" can switch the time.