Features:Professional high-precision optical tracing engine、 precise positioning.Resolution reaches up to 2400DPI. Adjustable resolution features among 800 / 1200 / 1600 / 2400 DPI.7 buttons、 including scroll wheel、 fire key、 left button、 right button、 advance、 retreat、 DPI switcher.Total 7 bright colors showing in turns、 give you a colorful visual effect.Ergonomic shape、 special feel good.Compatible with Windows 98 / XP / Vista / 7 / 8 or latest. Intelligent connectivity、 no need to code、 plug and play.Suitable for high-end players、 gaming professional players.Specifications:Connection way: USB cable Tracking systems: OpticalMax DPI: 2400DPISupported system: Windows 98 / XP / Vista / 7 / 8LED light colors: 7Cable length: More than 140cm / 55inItem size: 13 * 8 * 4 cm / 5.1 * 3.1 * 1.6in (L * W * H)Item weight: 137g / 4.84ozPackage size: 14 * 10 * 5cm / 5.51 * 3.93 * 1.96in (L * W * H)Package weight: 174g / 6.13ozPackage List:1 * Wired gaming mouse