Breathing Exercise Device With Adjustable Vibration Fitness for Wellness - HT-04

Portable: the breathing muscle training device is suitable for people other than patients or professional athletes as it is small and easy to carry. BREATHABLE MUSCLE TRAINING - The lung training device creates resistance when breathing, effectively improving your respiratory muscles. Increase lung capacity: built-in breathing training device, which can effectively improve lung function and prevent respiratory diseases. Multifunction: Breathing lung trainer can reduce breathing problems, improve exercise performance, accelerate recovery and improve overall health. ACRYLIC STAINLESS STEEL - The hand breathing trainer is made of acrylic and stainless steel, safe and durable, so you can use it without any problems.