Acapella Choise

Acapella Pep 是一种用于家庭或医疗机构的呼吸练习设备，适用于清除呼吸道和增强呼吸。

• The description claims the device can be used in various positions including seated, lying down, or even in bed.
• The description claims the device allows breathing through itself, enabling both inhalation and exhalation without removing the device from the mouth.