The layout of the buttons meets the human engineering design specifications, presenting comfortable feeling and integrating the function of laser pointer.
按键布局符合人体工程学设计规范，手感舒适，集成了激光教鞭的功能。
The layout of the buttons meets the human engineering design specifications, presenting comfortable feeling and integrating the function of laser pointer.
按键布局符合人体工程学设计规范，手感舒适，集成了激光教鞭的功能。
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