Every athlete knows the importance of mastering breathing to perform better. The BULO Breathing Trainer is a smart gadget that gives you an insight into your breathing and combines with your phone to increase your lung capacity. It displays breathing data and weekly/monthly stats.
You will just have to use this breathing trainer 15 minutes a day to start seeing results. Simply hold the device your mouth, exhale for 6 seconds, and the app will show you where you are.