Needs Lung Trainer Black

Manufacturer Part Number: "-" Size and Weight Weight: 13g comment Stimulate your respiratory muscles! Exhale deeply and strongly for powerful breathing ○Three levels of adjustable pressure, allowing you to adjust the strength of your exhalation (strengthening your diaphragm allows you to breathe more powerfully)! Materials and raw materials Material Body: ABS Mouthpiece: EVA resin Standard details Size: Width 5 x Length 10.8 x Thickness 3cm