Respiratory Muscle Trainer – Adjustable Breathing Exercise Device

This device aims to train inspiratory and expiratory muscles to improve lung capacity and ventilation. It claims to enhance training performance by 30% and reduce acute attacks of COPD and asthma.

• The description claims that the device improves training performance by 30% compared to single function breathing exercisers.
• The description claims that the device can decrease acute attacks of COPD and asthma through respiratory training.