100% brand new and high quality.Quantity:2Ergonomic design, makes you and comfortable, long game will not feel tiredDPI: 1000dpiSensitive buttons, long service life, over 5 million clicks, ensure the normal work in harshBear AnimalColor: brownmaterial: plasticenvironmentsDrawing process, excellent feelSuitable for game enthusiasts, fashionable young, commercial office crowd, long timecomputer workersCompatible for operating systems for Window 7,for Window Vista, for Window XP, for iOSSize: Approx: 8cmX6cmX3.7cmAlso it use for home, office.Easy and convenient to usePackage Content(without retail package):2 x mouseOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.