Feature: 100% brand new and high quality. Quantity:1 Ergonomic design, makes you feel natural and comfortable, long fierce game will not feel tired The Max DPI: 2400dpi Customize DPI Switch:1000/1200/1600/2400dpi Buttons: 4 buttons with scroll wheel Sensitive buttons, long service life, over 5 million clicks, ensure the normal work in harsh environments Drawing process, excellent feel Suitable for game enthusiasts, fashionable young, commercial office crowd, long time computer workers Compatible for operating systems Windows 7,Windows 8, Windows 2000.XP(PS2-PS3).Vista Size: Approx: 12.5cmX 7cmX 4cm Also it use for home, office. Easy and convenient to usePackage Content: 1 x 2400 DPI USB Wired Optical Gaming Game Mice Mouse For PC Laptop (without retail package) 1 x User Manual