Firekingdom Fashionable Cool 2.4GHz 2.4GHz Wireless Cordless Optical Mouse Mice for Office/Home PC Computer Desktops Laptop,Blue Mouse Type: Wireless Optical Mouse Button: 2 Buttons + 1 Scroll Wheel + 1DPI Button 800 - 1600 DPI frequency for worldwide compatibility The optical technology adoption guarantees the accurate response and ultra-smooth tracking Package Includes: 1 x Wireless Mouse