There are various benefits to using optical mouse over its ancestor the track ball or commonly called manual mouse or ball mouse.
Firstly there are no moving parts in an optical mouse since the optical mouse uses and LED instead of a rubber ball, there is no way for the LED to stick or get grimy. This leads to high dependability. Many people complain that their manual mice need constant preservation or fix. Optical mice usually work well for years without a break down.
Because the technology is more advanced and uses an LED and CMOS instead of a rubber ball to measure tracking, you will get much better response and performance. Usually, the better the tracking, the smoother the total experience.
Another great reason that the Optical mouse has become the most popular mouse technology is that you can use an optical mouse on lots of different surfaces. Manual mice need a mouse pad made out of a special material to function optimally, optical mice do well on almost any kind of desk top or materials.
Optical mice are also very easy on the pocket.
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