Simple device can increase your lung capacity and improve oxygen intake, boosting endurance and reducing recovery time
Exercises taking only five minutes, twice a day can greatly improve athletic performance and minimize breathlessness
Independently adjustable inhale and exhale controls
Hand grip for comfortable use; includes detailed instructions for proper training
Recommended for users age ten and up

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 5.75 inch
Height : 2.99 inch
Length : 9.76 inch

Item Weight: 4.48 ounce (View shipping rates and policies)
Shipping Weight: 10.56 ounce (View shipping rates and policies)

ASIN : B00076RCJ4