Deep Breathing Lung Exerciser - 3-Chamber Incentive Spirometer

Description

Instructions for use:1. After the mouthpiece is slowly exhaled, slowly and qi make the sphere rise.2. Try to draw a long gas to raise the ball. Try to make the scale of the sphere the highest for 2-3 seconds.3. Loosen the mouthpiece and slowly and slowly discharge the gas. Adjust your breathing after each deep breath, 10-15 times each.Product Name: Breathing Trainerpacking list:Trainer body 1Serpentine tube 11 mouthpiece