@clocktocktimer: This 45/90 Interval Timer is great for exercising when you're on the go with just your phone, particularly if you're looking for a 1:2 work / rest ratio. No Audio. Just a Countdown beep with a loop repeat format for as many repetitions as you need. A stylish countdown clock for your HIIT routine, gym session, weekly workout, or any method of fitness you're into. #gym #timer #hiittimer #intervalltraining #workout