LOGITECH M171 WIRELESS MOUSE

Power-Saving Features: 12-month battery life and auto sleep help you go longer between AA battery changes. Reliable 2.4 GHz Wireless Mouse: Reliable, the long-range computer mouse works up to 33 ft /10 m  away from your computer. Connect in 3 seconds (1) to your computer via a strong, reliable USB receiver that plugs into your computer’s USB port. Dimensions: Height: 3.85 in (97.7 mm) Width: 2.42 in (61.5 mm) Depth: 1.39 in (35.2 mm) Weight (with batteries): 2.44 oz (69.3 g) USB Receiver Height: 0.74 in (18.7 mm) Width: 0.57 in (14.4 mm) Depth: 0.24 in (6.1 mm) Weight: 0.06 oz (1.8 g) 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, 2D, optical Battery Battery: 12 months Battery Details: 1 x AA (included) Connectivity Connection Type: 2.4 GHz wireless connection Wireless range: 33 ft (10 m) ? Connect / Power: Yes, on/off switch