Logitech M240 Silent Bluetooth Mouse – Off White

Specifications:

Sensor Technology
Smooth optical tracking
Nominal value: DPI range
DPI range: 400-4000, Steps of 100 DPI
Number of Buttons: 3 (Left/Right-click, Middle click)

Scrolling
Line-by-line scrolling
Scroll Wheel: Yes, 2D, optical

Battery life
Battery life: 18 months
Battery Details: 1 x AA (included)

Connectivity
Connection Type: Bluetooth Low Energy Technology
Wireless range: 33 ft (10 m)
Connect / Power: Yes, on/off switch