Logitech M275 Wireless Mouse Black

Wireless Mouse Features:
Resolution dpi:1000
Total number of buttons: 3
Scroll Wheel: Yes
Tilt function: No
Unifying-ready: Yes
Battery: 1-AA
Battery life: 18 months*

*Battery life may vary based on user and computing conditions.
Operation distance: 25M (around 80 ft) maximum*

*Distance may vary based on environment.
Wireless system: Advanced 2.4GHz wireless technology