Vender 5000ml large-capacity breathing training device, lung device, lung device, S4T4 al mejor precio

description: 100% brand new and high quality material: pvc color: as shown packing size: 170*80*175mm large capacity: 5000ml function: vital capacity exerciser how to use: 1.insert the breathing tube into the air inlet. make sure it is firmly connected. then connect the mouthpiece to the other end of the breathing tube. 2.next, put the holder in your mouth. seal the lips tightly on the mouthpiece. breathe slowly (deeply) while still sealing your lips tightly around the mouthpiece. 3.before removing the mouthpiece, hold your breath for 3 seconds. then exhale slowly. take a breath and restart the cycle. your goal is to try to move the ball as high as possible. first, you may be able to lift the ball in a short distance. but as you keep practicing, you will be able to breathe more air. if you feel dizzy or lightheaded, stop exercising and rest first. note: due to the light and the display, there will be a little error between the actual object and the picture. i hope to get your understanding! package: 1x breath trainer #capacity #training Have a nice day! Welcome to visit.Hope you have a nice day! we will be ready to reply you ASAP. If you need more this item ,you can contact us.we will give you our best price. Leave your message!