ANLENG Ergonomic Optical Gaming Mouse 6 Buttons USB Wired PC Gaming Mice with LED Flash Light - 2400DPI 2400 dpi is the highest resolution, any free choices from five gears DPI. Unlimited firepower keys to improve game efficiency of customs clearance, comfortable feel. Standard 6 keys and keys of roller wheel up and roller down can self-defined key function. Built-weight iron, feel comfortable, mobile and stability, Intelligent connectivity. no need to code, plug & play Compatible with Windows XP, Vista, Windows 7, ME,2000 and Mac-OS or latest