Portable Respiratory Training Device Lung Capacity Exercise Fitness Aerobic Exercise Exercise Auxiliary Training Device

​Features: Help to expel phlegm Change unhealthy breathing patterns Complete excpansion of small airways and alveoli Enhance lung function and improve lung compliance Training your breathing muscles,have a light effect progress bar to increase the fun of training. Specification: Material: Aluminium+Plastic Color: Black Size: 13.94cm*2cm*1.24cm Note: There could be some slight differences in the color tone of the pictures and the actual item. Please allow 1-2mm differs due to manual measurement, thanks. Package Included: 1pc x Host 3pcs x Inhalation nozzle 1pc x Charging cable 1pc x Manual Packed Safely in Retail Box.