Overview: I add more movement and excitement and suspense, by purchasing this innovative mouse, which will increase your enthusiasm to spend more time completing your work and to inspire you with innovative designs or to enjoy games. Product features: 2 in 1! Connects via Bluetooth or Wi-Fi. High precision and speed in use. Small and comfortable design for hand grip. Compatible with Windows and MAC OS operating systems. 3 adjustable DPI levels. Power saving mode after 10 minutes of inactivity. Operates with one AA battery only (not included with the product). Two-year warranty.