<ul><li>EXERCISE DEVICE: Send vibrations to your muscle. It's effective to enhance muscle power.</li><li>EFFECTIVE EXERCISER: Our muscle exerciser enables people to gradually improve their muscles ability during daily exercise, strengthen capacity.</li><li>SUITS MOST PEOPLE: Provided 16/18/19mm balls with different resistance</li><li>EASY TO USE: Exercise device only needs to be assembled with steel balls of your size. Nothing needed, no follow-up costs. A small one, you can take it with you and exercise at any time</li><li>KEEP USE: Please refer to the instruction to get the correct method of use. 1-2 times a day to finish our habit development card to see great results.</li></ul><br><br>

Mucus Clearance Device with 16/18/19MM Stainless Steel Balls, Flutter Valve Clearing Device and Breathing Muscle Exercising Device for Strenthing, GY Design Provided