The Gymboss miniMAX Interval Timer and Stopwatch is a small, advanced interval timer with an easy to use scrolling menu. With this innovative timer you can time up to 25 different and complex intervals of your choice. You also can save up to 20 programs for future use. In addition, there is a stopwatch and clock feature built in. Features on this new miniMAX model include a removable belt-clip, slimmer design than the original MAX, and an enhanced setup procedure for easier operation. Maximize your training to increase: Anaerobic endurance, Muscle strength/size, Cardio endurance, Increased VO2max, and Fat loss. Gymboss - Train Hard, Train Smart.