Features1Adjustable Resistance: Independent adjustment of inhale or exhale resistance, wider range of adjustment with 6 inhalation and 5 exhalation settings. 2Mouthpiece: Medical grade silicone mouthpiece, odorless and more comfortable.Suitable for inhale training, exhale training or both according to your training needs. 3Improving Respiratory: Enhance overall performance by improving respiratory and abdominal muscle. Increase your respiratory endurance with ease and speed. 4Advantage: Helps increase lung capacity and counteract accumulation caused by toxins, tar, environmental pollutants, allergens, dust, and smoke. 5User Friendly Design: Respiratory resistant muscle trainer is easy to clean, which is ideal for athletes, seniors, musicians, and anyone looking to improve their respiratory health.SpecificationItem Type: Breathing Fitness Exerciser Device Material: PPScope Of Application: Suitable for patients with asthma, COPD, lung surgery, weaning, obstructive bronchitis, emphysema, lung cancer, hyperlipidemia, hypertension, depression, OSA, scoliosis, etc.Package List1 x Lung Exerciser Device 1 x Nose Clip 1 x Suction Nozzle 1 x Storage Box