Respiratory muscle strength training device “Ultra Breath”

A respiratory muscle training device from London that trains the strength to breathe and wear shoes. ●Strengthen your breathing muscles in about 3 weeks just by holding it in your mouth and breathing. ●Developed in the UK. A big hit all over the world! ● Also useful for sports enthusiasts. ●Gives resistance to respiratory organ muscle strength and increases power! ●"Weight training" for respiratory muscles ●Just put the mouthpiece in your mouth and take a deep breath! You can train while doing it. <Specifications> ●Strength adjustment function: Stepless dial type ●Set contents: Main unit, pouch ●Size: (approx.) width 5.5 x depth 13.0 x height 3.0cm ●Weight: (approx.) 42g ●Material: ABS (poly rack) PA-717C)●Made in England