One way to improve your athletic performance is by improving how your breathe. The ABLEFIT Breathing Trainer can help with that. It comes with C and O shape style mouthpieces and helps improve your lung capacity and strengthen respiratory muscles. You will just have to train 5 minutes a day to start getting results.
You can use the ABLEFIT app to select different training programs and games. ABLEFIT has 5 resistance levels for you to choose from. You simply have to twist the device to change it.