• Multifunctional respiratory training: ideal for speech therapy, sports and rehabilitation. • Visual feedback with 3 balls: allows control of airflow and visualization of progress. • Strengthens lung function, improves breath control and complements speech therapy. • Easy-to-clean design: washable components for hygienic use. • Intuitive operation: manual device that does not require electrical power. • Suitable for all ages: appropriate for children, adults, athletes and rehabilitation patients. • Immediate training effect: helps increase lung capacity with regular use.