【Exercise volume】: This trainer is used for inhalation and exhalation exercise and measurement, which is beneficial to increase lung ventilation.
【Appearance design】: Convenient dual card connector design, tight connection, not easy to fall off. Suitable for people who recover from surgery, cough, lung discomfort, cold and sub-healthy breathing.
【Flexibility】: The tube has good bending resistance, does not affect the patient’s posture, is easy to clean, and is durable. It is made of high-quality materials and has a longer service life.