Adjustable Resistance
This breathing trainer features a rotary valve and adjustable resistance settings. Rotate left or right to increase or decrease the resistance according to your needs.

Multifunctional Training Device
The muscle trainer is more than just a tool for athletes. Strengthening the respiratory muscles can also benefit singers, hikers, climbers, military personnel, musicians, and those who practice meditation. Training these muscles offers benefits in everyday life as well!

Portable Training Size
The dimensions of the portable muscle trainer are: 10x6x3.2 cm. It easily fits into any gym bag, purse, or suitcase, making it convenient to use for breathing exercises on the go, as well as at home.

Silicone Material
The main body of the training device is made from soft food-grade silicone, which is comfortable and durable. The adjuster is made from high-quality ABS material, which is sturdy and easy to use.

Easy to Clean
The simple design of the trainer makes it easy to clean. It is individually packaged to ensure a clean and safe mouthpiece every time you use it.

• Color: White | Black
• Material: Plastic
• Package Contents: 4 x Breathing Device
• Width: 5.5 cm
• Length: 10 cm
• Weight: 100 g
• Diameter: 3.5 cm
• Functions: Portable
• Body Area: Mouth
• Benefits: Improves circulation, Facilitates sleep, Supports the respiratory system
• Product Type: Therapeutic Device