Features:Reduce breathlessness and increase lung capacity by strength-training your respiratory musclesPower up your lungs with a daily workout from the comfort of your armchairSimply use it for about five minutes a day(equal to 30 times' breathing)Small and compact, you can take it anywhereIt can be used by almost anyone with no side effectsDue to health and safety concerns, this item is non-returnableThree adjustable step for your choice: weak, medium and strong

Description:100% Brand new !Material: ABSColor: blue，pink

Package include:1 pcs abdominal breathing trainer

Notes:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!2. Please allow 1-3cm measuring deviation due to manual measurement.