What is so special about gaming/performance mice and keyboards?

Legolas8181

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Nov 18, 2013
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Whenever I game I plug in a £5 mouse I got on Amazon 2 years ago and this time last year was on a PC with a keyboard my parents got for a PC 10 years ago. What is so special about a £45 Logitech performance mouse?
 

KenGrinsven

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Dec 15, 2014
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Well, google can tell you the explanation, but to keep it very short and simple:
The higher your DPI, the more 'precise' the pointer will be. If you bump up the DPI, it will also move faster with less movement of your hand.