Breathing Trainer, Lung Capacity Exercise Device and Lung Exerciser for Respiratory Muscle Exercise, Adjustable Lung Breathing Trainer, Respiratory Muscle Trainer & Lung Expander for Male and Female

Description:

• Premium Materials: Made from high-quality food-grade silicone and ABS, ensuring durability and non-toxicity. The silicone material is 2.5 times more durable than standard breathing resistance trainers.
• Enhanced Aerobic Capacity: Ideal for athletes looking to boost aerobic performance and overall fitness. The trainer supports improved lung function and breathing efficiency.
• Comfortable Mouthpiece: Features an integrated bite design for a natural and comfortable fit during use. The high-quality silicone ensures a secure grip, making it suitable for extended training sessions.
• Equipped with separate knobs for adjusting resistance during both inhaling and exhaling. Customize your training for optimal respiratory muscle development.