The Logitech G400S Optical Gaming Mouse is a wired USB gaming-grade mouse featuring Delta Zero sensor technology for accurate tracking of your movements. The sensitivity of the mouse can be adjusted in-game to one of several settings. The mouse also features low-friction feet that won't slow you down. There are eight buttons that can be programmed through the optional software. The sculpted grip is designed for hours of comfortable gaming. Logitech's optional software is downloadable on their website and allows you to customize button and tracking profiles for any game.
Logitech G400S Optical Gaming Mouse User Documentation