(as of [price_update_date] – Details)
Product Dimensions : 2.56 x 1.97 x 4.21 inches; 3.21 Ounces
Date First Available : March 12, 2021
Manufacturer : PHCVS
ASIN : B08YQXZLDT
★Strengthen Breathing Muscle & Expand Lung Capacity – With regular exercises, this device will make lungs stronger by exercising lung muscle and increasing lung capacity, which can help you to strengthen your lung and quality of your breathing.
★ Universal for Most Users – Euipped with 19 MM stainless steel ball, provides stronger vibration and less expiratory resistance, which makes it suitable for those who have low lung capacity or weak breathing muscles.
★Easy to use – This lung expansion device is of simple design which makes it easy to use with one hand and has no need for batteries or refills with this device, meeting your long terms.
★Strive to customer first – We always strive to the principle of customer first.For any question while using, please feel free to contact us.