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: 4000dpi Customize DPI Switch:250/500/750/1000/1250/1500/1750/2000/2500/3000/3500/4000dpi Buttons: 7 buttons with scroll wheel Sensitive buttons, long service life, over 10 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: 12.3cm X 7.9cm X 4.0cm Also it use for home, office. Easy and convenient to usePackage Content: 1 x 4000 DPI 7D Buttons LED Mechanical Wired Gaming Mouse For PC Laptop