Used Logitech mouse, everything works 100%. You can test it before buying however you want + the mouse comes with weights + it has a feature where the scroll is very light, you can make it heavier or lighter as you wish with a button on the mouse + you can make it spin at lightning speed, even strong wind moves it fast. Price is slightly negotiable. Additions ~~~~Silicone pieces are installed on it for protection from oils while playing, if you don't want them, I'll remove them for you. It has RGB lighting + it has a program you can control as you wish. Its price on Amazon is 157﷼. Price for the item: 115﷼