Logitech M191 Wireless Mouse

Sensor technology: High Precision Optical Tracking
Sensor resolution: 1000 dpi
Number of buttons: 3
Scroll wheel: Line-by-Line Precision
Unifying ready mouse: No
Unifying ready receiver: No
Battery life: 18 months
Wireless operating distance: 10m
Wireless technology: Logitech Nano Receive

Do you need more information?