| 摘要 |
PURPOSE: A mouse for an electronic device is provided to enable a user to easily use the mouse and reduce volume of the mouse by contracting a cover when the mouse is not used, thereby easily performing carrying, keeping and transportation of the mouse. CONSTITUTION: A body(110) has a bottom surface. A cover is combined to a top of the body to cover the body. An air valve(250) is arranged in the body or the cover to access air to an inside of the body and the cover. When the air valve is closed after exhausting the air through the air valve, the cover is maintained in a contracted state. When the air valve is opened, the cover is expanded by elastic force. [Reference numerals] (AA) Air
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