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;
Product Attributes:

Weight (lbs.): 0.50 lb