Eachine1 Thin Waists Abdominal Breathing Exerciser Slimming Apparatus

Thin Waists Abdominal Breathing Exerciser Slimming Apparatus Feature: Three adjustable step for your choice: weak, medium and strong Reduce breathlessness and increase lung capacity by strength-training your respiratory muscles Simply use it for about five minutes a day(equal to 30 times' breathing) Small and compact, you can take it anywhere Description: Material: Resin Length: 11cm Color: Random Quantity: 1 Package Included: 1 x Abdominal Breathing Apparatus Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness 2.Please allow slight deviation for the measurement data 3.Please allow 2-3cm error