That would be the laser sensor of the mouse.
Wireless mouse tend to have laser sensors and Optical the ones with cord. They utilizes light-emitting diodes (LED) or laser as a method of tracking movement.
the laser sensor, to detect movement, if it doesn't have a ball!
The light on a mouse does not have to be red. Some computer mice have blue lights, it just depends on which colour light the manufacturer chooses.
Recharge the mouse.
dark red wit a hite light red
FALSEAn Optical Mouse replaces the ball in a standard mouse with a microchip, miniature red light or laser light, and camera.Guide to HardwareChapter 8Page 316You're welcome :)
Shoot it or mouse traps
It reflects the state of the battery. green is good, red is dying slowly.
laser mouse needed a light to move.
Because Mickey Mouse doesn't have buttons on his red pants. However Mickey Mouse does have two polka dots on his Mickey Mouse's red pants.
Mouse or light pen
A basic no-frills optical mouse will usually cost only a few dollars more than a basic no-frills mechanical mouse. There are many mouses on the market however which come with lots of frills, these are usually optical, and may well be very expensive.
a mouse dies with red fingers because it scratched a cat and got rabbies
what do you get if you cross a red saucepan with a groovy blue mouse