ROUND TIMER EX TRAINING description

The Round Timer is a fully functional round/sparring timer that allows you to customize the length of the rounds, warning bell and resting period. The Round Timer is great for any sparring or interval training: boxing, MMA, grappling / bjj, martial arts, yoga, meditation, exercise, workout, stretching, Tabata, Crossfit, ...

very Simply,very easy!

ALL TRAINING&FIGHTING&FITNESS