Wireless Mouse for Laptop, Ergonomic Computer Mouse

[6 BUTTONS & 3 DPI LEVELS] DPI settings are adjustable to 800, 1200, and 1600. This computer mouse provides precise tracking on virtually any surface, and a DPI button allows you to adjust the sensitivity on the fly. Extra two side buttons that are useful for both work and play. No driver is required; simply plug and play using A RECEIVER STORED IN THE BATTERY COMPARTMENT!