The iMICE A7 Wired USB Gaming Mouse comes with an ergonomic design, you can use it long-term without any fatigue. This mouse has side lighting and breathing light of 4 color variations to make your desktop illuminated. The iMICE A7 Wired USB Gaming Mouse is suitable for high-end players & gaming professional players. This mouse comes with 7 customizable function buttons that give you more powerful features. In addition to the default button function, this mouse has four key function modules, each module has its own dropdown menu that can be customized to meet the different needs. The iMICE A7 Wired USB Gaming Mouse is compatible with Windows XP/Vista/Win7/8/10 Mac OS X. The iMICE A7 mouse comes with a 01-year warranty.