The Ultrabreathe is so compact it will fit in a pocket;Athletes who want to boost their performance and folks who suffer from breathlessness can all benefit from using this ingenious breathing exerciser;Adjust Strength from Beginners to Advanced With touch of a button

• Ultrabreathe Respiratory Trainer for Enhanced Respiratory Muscle Strength, Durability & Performance

Ultrabreathe Respiratory Trainer for Enhanced Respiratory Muscle Strength, Durability & PerformanceRespiratoryT