| 摘要 |
PURPOSE: A mobile phone is provided to increase a sound volume controlled by software by mechanically controlling a sound volume. CONSTITUTION: A speaker outputs a sound of a mobile phone. A front case(130) and a rear case fix the speaker. A sound volume control member(120) is movably installed at a front surface of the front case(130). A fixing member(110) is installed to face the front case(130) with the sound volume control member(120) positioned between the front case(130) and the sound volume control member(120), and movably fixes the sound volume control member(120).
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