The Gymboss Plus Interval Timer and Stopwatch is a small, easy-to-use, dual interval timer. You can time one or two intervals and repeat them 1-99 times, allowing you to time both your work and rest periods.
The Gymboss Plus model timer has a louder beep and increased water resistance. Targeted towards outdoor activities. Perfect for run walk run programs, interval running training, learning to run, or for users who want to easily monitor time rounds remaining during activity.
The Plus model has a very loud beep, which makes it perfect for group classes or outdoor use. The beep can be made dimmer, or silenced altogether by using only the vibrate mode.