Guided Natural Breathing Exerciser Lung Function Exerciser for Drug-Free Respiratory Therapy

Label:Yes Packaging: 1PC Breathing Trainer Material: Plastic+TPR Size: 13.2 * 4.6cm(5.20 * 1.81in) User group: adults, children, elderly Weight: Approximately 42g net weight STRENGTHENS RESPIRATORY FITNESS : I NDEPENDENT INHALING AND EXHALING DIAL CONTROL: The Breather muscle trainer operates with independent settings for inhalation and exhalation. The ultimate lung trainer, supporting respiratory health by promoting belly breathing. IS FOR ALL AGES: From 8 -98, Can be used by people of all ages, from children to adults, and especially our seniors. Offers a gentle start to training for you to progress in training your breath.