So you would like to increase your lung capacity and athletic performance? The BULO Breathing Trainer can help. It is an app connected device that provides you with individualized breathing exercises to help you perform better. The Bulo app shows your data and past stats so you can easily track your progress.
To see your current level, simply put this device in your mouth, exhale for 6 seconds, and the rest is easy. The Bulo app comes with a library of performance breathing exercise videos to help you perform better.