Feature: 1. Portable: The ear decompression device is portable. 3 gear adjustable eustachian tube blowers, compatible with adults and children, with 3 silicone replacement heads to meet different needs. 2. Secure and Effective: The 3 levels ear pressure relief device addresses ear discomfort caused by flying, diving or altitude changes by providing a constant and steady gas flowing to the nasal cavity. 3. Wide Application Age: The ear pressure relief device is made of silicone and material that will not cause irritation when used. It is compatible with children and adults. 4. Multifunctional: The ear pressure reliever is multifunctional. Comes with Type C charging cable, storage case and 3 silicone replacement heads, one gourd shaped head and two funnel shaped heads. 5. Effective Care Device: The ear pressure reliever helps to address symptoms such as tinnitus, earache and increased ear pressure, promoting ear health and comfort. You can choose the right replacement head according to different situations Specification: Item Type: Ear Pressure Relief Device Material: ABS, Silicone Size: 180x40x55mm / 7.09x1.57x2.17in Battery: Lithium Battery 700 MAH (Shipped with Built in Battery) Features: Comes with 3 replaceable silicone heads, one gourd shaped head, and two funnel shaped heads, please choose the appropriate head according to different situations. 1. Gourd shaped Head: Ball shaped design at the head end to avoid inserting too deep into the nasal cavity, compatible with children aged 3-12. 2. Funnel shaped Head: Elephant trunk shaped design for deep insertion into the nasal cavity, compatible with adult use. Package List: 1 x Eustachian Tube Blowing Device 3 x Replacement Heads 1 x USB Cable 1 x User Manual