Dell optical mouse.
the optical mouse of the dell is one of the best product of the dell company.i am using the dell optical mouse for last 2years and its still in a good condition and for quick working and for gaming in a laptop or computer its the best product to use.the optical mouse of the dell has made to use rough and toughly I am a rough and tough user of the computer and I dont give priority to the brand instead I give the priority to the product and I find the optical mouse of the dell very usefull.