Aobbiy Lung Expansion, Mucus Relief Device, Hand-Held Breathing Trainers - OPEP Therapy, Drug-Free - Helps Open Airways, Remove Mucus Effectively. Stronger & Healthier Lungs and Airway, Easy to Use

Trusted OPEC Therapy - Oscillating Positive Extratory Pressure (OPEC) therapy has been recognized for decades. Now you can enjoy OPEC technology from the comfort of your home. Relieves mucus, breathes better - by vibrating to release mucus from the airways and creating pressure to keep the airways open, the device helps remove mucus from your lungs. Removes the lungs from pollutants - Breathing exercise helps remove harmful pollutants and impurities from the lungs. Take a full breath and feel the difference. Stronger, healthier lungs: Long-term use of this device can help strengthen your lungs by working the muscles of the respiratory walls. Easy and hassle-free - Not only is it easy to use, but the device doesn't require a battery or charging. A purchase is all you need.