Easy to use Wireless mouse Wireless transmission up to 10m - Stable and smooth transmission. 2.4G wireless connection for easy operation. Plug in and play. Please note that this mouse requires 2 AAA batteries, which are NOT included in the package. Cute special shape High-precision optical mouse - Positioning accuracy up to 1600 DPI, to meet the daily needs of office entertainment and gaming. The wireless mouse is free to use and can perfectly meet the needs of home and office. Portable to TakePerfect for carrying when traveling, this which means it can be easily put in your laptop bag and save space. You will have a good wireless travel mouse. Support SystemsThe bottom of the mouse is equipped with a receiver storage compartment to store the packaged USB receiver. Wide Compatibility - For Windows XP / Vista / Windows 7 / ME / 2000 or later.