Lung Exerciser Expander Device，Breathing Exercise Device for Lungs,silica gel Deep Breathing Exercise Trainer, Increase Lung Capacity, Improve Sleep

PURE SILICONE STRUCTURE - Our lung exerciser device is made up of super flexible pure silicone material. It helps in comprehensive respiratory muscle training in a wide range of patients and people. Our compact device is designed for comfortable., IMPROVES LUNG CAPACITY - Inhale Respiratory trainer breathing exercise device for lungs improves breathing quality, boosts the stamina of respiratory muscles, and increases diaphragm expansion level. Get professional breathing training., HIGH PERFORMANCE FOR - Sports that demand higher energetic performances like athletics running, swimming, gymnastics, martial arts, and other outdoor activities need higher physical activity and greater respiratory capacity., PRACTICE BREATHING ACTIVITY - It would help if you practiced breathing exerciser thrice or twice per day. Start breathing with a pattern of seven constant reiterations of inward breath and exhalation resting at two minutes timespan., ADJUSTABLE RESISTANCE - you can adjust the pressure levels on your breathing lung exerciser. According to your lung capacity & results, regulate your flow valve and practice breathing activity. Find the level of resistance that suits your training.