Computer mouse A4TECH X87 Black

2400 DPI Adjustable The customizable " + / - " with color indicator instantly shifts multiple sensitivity levels between 1000 / 1200 / 1600 / 2000 / 2400 DPI. Switch Modes You can switch between 3 modes (office /game /multi-media) without software by pressing mode button. 2 Thumb Side Buttons The side buttons are preset as backward and forward functions. Oscar Mouse Editor Gamers are able to establish sophistic programs by using simple logic commands (such as "SINGLE", "CYCLE", "AUTO" etc.).