PERFORM AT YOUR SPORTING BEST- a expiratory breathing trainer designed specifically for Professional/ Performance Athletes and Amateur Sporting Elites to obtain the split second advantage on their competition and personal record times QUICK & EASY TO INCREASE YOUR PERFORMANCE IN JUST MINUTES A DAY - Not only is Better Breathing Sport completely natural and safe to use, it’s also effortless to add to your daily routine! Simply breathe through the device for 3-5 seconds about 10 times before your workout. Power & expand your lung through a respiratory breathing exercise. You’ll notice a huge difference right away — and the more you use it, the better it gets! GAIN VITAL SECONDS OF BREATHING TO IMPROVE TRAINING & WORKOUT TIMES - With increased oxygen in your body and muscles you will be able to breathe longer or push yourself further.