1pcs Portable Abdominal Breathing Exerciser Trainer Respiration Device Props Slim Waist Face Lose Weight Increase Lung Capacity Feature: Reduce breathlessness and increase lung capacity by strength-training your respiratory muscles Power up your lungs with a daily workout from the comfort of your armchair Simply use it for about five minutes a day(equal to 30 times' breathing) Small and compact, you can take it anywhere It can be used by almost anyone with no side effects, Due to health and safety concerns Three adjustable step for your choice: weak, medium and strong 1. Due to different monitors and lighting effects, the actual color may be slightly different from the image 2. Due to manual measurement, please allow 1-3cm deviation Size: as shown Shipping color: pink Quantity shipped: 1