Lexma Wired Optical Gaming Mouse, Black (G88 CYBORG) Comfortable shape as a righty or lefty user Enhanced optical sensor technology with up to 3200 DPI Allows you to configure and store up to 5 profiles on the mouse Fantastic Light with Breathing Effect. Powerful the "On-To-Go" button click function 8 Weight Modules ( 4 x 5g , 4 x 3g ) Windows 98SE/2000/NT/ME/XP/Vista/7 and higher