Giyosk Breathing Exercise Device for Lungs, Mucus Removal Device for Breathing Problems, Portable Expiratory Breathing Exerciser with A

Natural Way] - get rid of your mucus with exercise Easy Breathing] - Just practice 10 to 30 minutes a day get easier breathing and better athletic performance Easy to Use] - This breathing exercise device is lightweight and compact, easy to use anywhere There are no complicated level settings and incomprehensible accessories, the only thing to consider is - which metal ball to choose Suitable for your long-term lung exercise Improved Shape] - It is made of food-grade PP and can withstand temperatures up to 130 Rotate 30A counterclockwise to easily lock the front end, and the clever curved design fits your fingers better get a great user experience complete Accessories] - Three different sizes of stainless steel balls are prepared to create different levels of exercises, suitable for adults and kids Also equipped with a mouthpiece and 4 cotton sheets If you have some suggestions for the product, please click on the sellers name to contact us View full description