Portable Silicone Lung Capacity Breathing Trainer Adjustable Resistance Black

This portable silicone breathing trainer helps strengthen your respiratory muscles with adjustable resistance levels. Its compact design makes it easy to use anytime, anywhere for improved lung capacity and sleep quality.

Crafted from durable silicone, this user-friendly device combines breathing exercises with resistance training for a comprehensive cardio workout. Perfect for beginners and seasoned athletes alike.

• Material: Silicone
• Size: 1.97 x 3.94 in
• Resistance: Adjustable
• Power Source: None
• Batteries Included: No
• Warranty: 7 Days