Features: Ergonomic design, this gaming mouse fits for you comfortably under your palm to help you win the most challenging battles, and give you the most comfortable gaming experience. With 6 buttons, including wheel key, left button, right button, forward button, backward button, and DPI switcher. Stable optical engine, which can avoid dropping frames and help find the precise position. 4 modes of adjustable DPI, which can be adjusted by the button in the top, and it fits for different games and will effectively help you aim the target, beat your opponent and win the game. The mouse's roller is made of rubber material, which has non-slip function, and the mouse's life can be up to 5 million times. Snake LED logo display. The logo in it's tail has light effect(except white color in type 1), and the LED light is sweet, soft, and not dazzling. Supports macro function(only for type 2),and it will become your powerful weapon during your game. Its USB wire is with anti-interference magnetic ring(only for type 2), which will ensure controlling the game smoothly. It can directly plug and play. Can be used for game, office and at home. Supporting system: for Windows 98/Me/2000/XP/Vista/Win7/Win8, etc.