Respiratory High Altitude Breathing Exercise Device Safe Health Care For Lungs Silicone Equipments

Respiratory Silicone High Altitude Training Outdoor Expiratory Breathing Exercise Device Safe Health Care Practice For Lungs. 
 
Features:
BREATHING EXERCISE: Breathing exercise device challenges yourself to perform the better workout and improvement of your overall stamina; 
LUNG CAPACITY: It helps to expand and improve your lung capacity without having to do a ton of cardio and risk burning calories; 
PORTABLE DEVICE: Lung breathing trainer is extremely compact. With this device, perform your daily training wherever you are; 
WORKS GREAT: Adjustable resistance dial makes simplest tasks tougher and workouts more intense as your needs; 
MATERIAL: Made of silicone, the breath trainer is practical and durable has long service life; 
 
Specification
Material: Silicone; 
Color: White+black; 
Size(L x W x H): About 10 x 5.5 x 5cm/3.9 x 2.2 x 1.97inch; 
Classified by Exerciser Number: Other; 
Function: Body; 
Teaching Mode: Other; 
 
Package included:
1pc x breathing exercise device;