Logitech 910-007475 mouse RF Wireless

M317 is the compact mouse that?s great for working at home or on the go. It?s sized perfectly for most surfaces, limited workspaces, as well as users with smaller hands (and even kids). Technical Specifications Sensor technology Smooth optical tracking DPI (Min/Max): 1000 Buttons Number of Buttons : 3 (Left/Right-click, Middle click) Scrolling Line-by-line scrolling Scroll Wheel: Yes Battery Battery: 12-months ? Battery Details: 1 x AA (included) Connectivity Connection Type: 2.4 GHz wireless connection Wireless range: 33 ft (10 m)