In 2000, Apple releases the Pro mouse, its first mouse with an optical tracking sensor.

2000年，苹果发布自己的第一款光电鼠标pro Mouse。

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Dust absorption in the optical drive, keyboard, mouse, and other components used will affect the normal operation of these parts (of course also affects the service life).

灰尘吸附在光驱、键盘、鼠标等经常使用的部件上，会影响到这些部件的正常工作。

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Optical Mouse shell from the beginning, the company gradually introduced wireless keyboard and mouse shell casing and other products.

从光电鼠标外壳开始，公司逐步推出无线鼠标外壳及键盘外壳等系列产品。

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An optical mouse uses a beam of light and an optical sensor to detect movement over a surface -- there are no moving parts.

CNN: Review: Apple Pro Mouse

Apple will be the first company to bundle an optical mouse with all its desktop systems.

CNN: Review: Apple Pro Mouse

In addition to negating the need for a mouse pad except for personal expression, the new mouse's optical technology will make it a good alternative for PowerBook and iBook owners who don't like those computers' built-in trackpads.

CNN: Review: Apple Pro Mouse