About this item Wide compatibilityWide compatibility For Windows XP / Vista / Windows 7 / ME / 2000 / Mac OS, or later. Power SupplyPower: 2 x AAA batteries (NOT included). Size: Approx. 10 x 5.5 x 3.5cm / 3.9 x 2.2 x 1.4in. High ResponsivenessHigh precision optical mouse Positioning accuracy of up to 1600 DPI, to meet the daily office needs and gaming entertainment. Plug & PlayThe bottom of the mouse is equipped with a receiver storage compartment to store the pouched USB receiver. 2.4G Wireless Mouse2.4G wireless connection for easy operation. Up to 10m wireless transmission Stable and smooth transmission. Wide compatibilityWide compatibility For Windows XP / Vista / Windows 7 / ME / 2000 / Mac OS, or later. Power SupplyPower: 2 x AAA batteries (NOT included). Size: Approx. 10 x 5.5 x 3.5cm / 3.9 x 2.2 x 1.4in. High ResponsivenessHigh precision optical mouse Positioning accuracy of up to 1600 DPI, to meet the daily office needs and gaming entertainment. Plug & PlayThe bottom of the mouse is equipped with a receiver storage compartment to store the pouched USB receiver. 2.4G Wireless Mouse2.4G wireless connection for easy operation. Up to 10m wireless transmission Stable and smooth transmission.