Black Wireless USB Mouse 2.4 GHz Wireless Optical Mouse. 2 Buttons + 1 Scroll wheel + 1 DPI Button. USB interface. Built-in Mouse Memory, No Re-Coding Is Needed After Battery
Replacement. Plug & Play. Comfortable In Using, Can Be Used Most Surfaces. Power by 2 x AAA Batteries (Not Included). Work distance: Within 1 meters, Compatible With Windows And Mac OS. Scroll Easily In Any Direction – very slim and portable Slim design.