它的两个主按键不是机械的，而是电容触摸传感器。它还有细微的扬声器，每当按击时都会有声音响应。鼠标还有一个滚球使用户能朝任意方向滚动页面。
The two main buttons are not physical, but instead use capacitive touch sensors with a tiny speaker to provide audible feedback for each click.
表面立体结构，适合大多数激光，光电，滚球类鼠标使用。
Corresponding optical Laser Mouse ball Working surface is subjected to three-dimensional disordered array of dots.
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