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[One Minute a Day for a Breathless Body] Strengthen your respiratory muscles, which weaken with age, in just one minute a day. Not only will climbing stairs become easier, but deep breathing also regulates the autonomic nervous system, contributing to better sleep and improved concentration.

[Doctor-Supervised & Dedicated App for Easy Use] Eliminate worries like "I don't know how to use it" or "I can't stick with it." A guide supervised by a medical doctor and a dedicated app work together to support correct training.

[64 Levels of Adjustment for the Perfect Resistance for You] The resistance for "inhaling (8 levels)" and "exhaling (8 levels)" can be set separately. From rehabilitation for those who lack confidence in their physical strength to lung capacity training for athletes, you can gradually progress at your own pace according to your current level.

[Increased Vocal Volume & Voice Training Effects] By training your respiratory muscles, you will be able to produce a stable voice from deep within your abdomen. Improve high notes in karaoke, speeches, and musical instrument performance.

[Thorough Hygiene for Something You Put in Your Mouth] Made with safe "food-grade silicone." It comes with two types of attachments: a "bite-type" that stays stable during exercise and a "nozzle-type" for relaxing at home, allowing you to choose the one that suits your needs. It can also be disassembled and washed thoroughly, so you can always keep it clean.