Feature:1. Compact and Portable: Compact, premium break resistant plastic, balls inhaling breath measurement system.2. Firm Construction: Firm, sturdy , non shaky Construction; Removal bottom for thorough cleaning and maintenance.3. Respiratory Fitness: Deep breathing exerciser for comprehensive respiratory fitness, chambers for differing inhalation rates.4. Deep Breathing: The respiratory exerciser helps achieve optimum lung capacity and restoring disrupted breathing patterns.5. Universal Design: It can be used by anyone who is adult. A similar model of device is used by patients in pulmonary diseases clinics for exercise.Specification:Item Type: Respiratory ExerciserMaterial: Plastic, silicone.Package List:1 xRespiratory Exerciser