Main Features:High-end optical engine, precise positioning.4 buttons, including scroll wheel, left button, right button, DPI switcher.Intelligent connectivity, Driver is installed automatically, plug and play.Adjustable 800 \/1200 \/ 1600 DPI.Ergonomical design, comfortable touch, long-term use without fatigue.Suitable for office, graphics and gamersTotal 7 bright colors showing in turns, giving you a colorful visual effect.Specifications:Material: ABSTracking system: opticalConnection: wiredNo macro programmingCable length: approx. 150cmUSB interface : USB 2.0DPI: 800\/1200 \/ 1600 DPI AdjustableVoltage rating \/ electric current: DC 5V \/ 100mASwitch life: 5 Millions Switch lifeLight effect: colorful Free transformItem size: 12.4* 6.3* 3.9cmItem weight: 109gSupport system: Windows 7 \/ 8 \/ 2000 \/ XP \/ Vista Mac OS or latestPackage List:1 * Wired Mouse