aLLreLi M910BU Vertical Mouse (60 Degree) with 9 Programmable Buttons, Adjustable DPI up to 4000 DPI, 5 User Profiles TAKE GAME PLAY TO THE NEXT LEVEL With this gaming mouse, you can dominate game play by automating key functions! Program the 11 buttons to handle repetitive tasks, so you can respond much faster ADJUSTABLE POLLING RATE This wired mouse puts you in full control with 1000, 1500, 2000, 3000 and 4000 DPI setting options CREATE PROFILES FOR ALL YOUR FAVORITE GAMES Programmable vertical mouse allows you to set up five separate user profiles, so you don't have to waste time configuring your mouse every time you play ERGONOMIC DESIGN Gaming mouse is made to fit the contours of your hand perfectly to cut down on your response time and reduce the risk of wrist and finger strain EASY TO SET UP Wired mouse is compatible with OS X and Windows. Driver included for quick and simple installation; Instructions written in English, German and French