A breathing trainer is a versatile tool that aids in improving respiratory health, athletic performance, stress reduction, and posture. It assists individuals in strengthening respiratory muscles, increasing lung capacity, and enhancing breath control. Whether used for managing respiratory conditions, optimising athletic endurance, promoting relaxation, refining speech and singing abilities, or improving posture through diaphragmatic breathing, a breathing trainer offers benefits across various domains of health and performance. However, it's important to seek guidance from healthcare professionals or trainers, particularly for those with underlying medical conditions.

Yes, a breathing trainer can help individuals with COPD by strengthening respiratory muscles, improving lung function, and teaching techniques to manage breathlessness. Under the guidance of healthcare professionals, breathing exercises with a trainer can alleviate symptoms and enhance quality of life for COPD patients.