Logitech M191 Wireless Mouse Mid Grey (910-005927)

-Sensor technology: Smooth Optical Tracking

-Sensor resolution: 1000 dpi

-Scroll Wheel: Line-by-Line Precision

-Battery life: 18 months

-Wireless operating distance: 32.81 ft (10 m)

-Wireless technology: Logitech Nano Receiver

-Warranty: 1Year