The Afflovest is a medical vest designed to assist individuals with Chronic Obstructive Pulmonary Disease (COPD) by providing therapy that helps clear mucus from the lungs. It uses high-frequency oscillation to create vibrations that aid in mobilizing secretions, making it easier for patients to breathe. The vest is typically adjustable and fits comfortably, allowing users to engage in daily activities while receiving treatment, promoting better lung function and overall respiratory health. * This Afflovest is in Excellent shape with no signs of wear and only 72 hours of use. All parts are working. It has been tested.