Simple device can increase your lung capacity and improve oxygen intake, boosting endurance and reducing recovery time
Designed for athletes in excellent physical condition, looking to boost training and exercise regimen, and advanced performing artists, singers, and musicians
Independently adjustable inhale and exhale controls
Hand grip for comfortable use; includes detailed instructions for proper training
Recommended for users age 13 and up

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 4.1 inch
Height : 2.5 inch
Length : 9.1 inch

Item Weight: 4.48 ounce (View shipping rates and policies)
Shipping Weight: 8 ounce (View shipping rates and policies)

ASIN : B00076VPV0