The M705 Marathon Wireless Mouse boasts up to three years of battery life in addition providing dual-mode scrolling, a secure wireless connection, and a comfortable, sculpted shape. Dimensions Mouse Height: 4.29 in (109 mm) Width: 2.8 in (71 mm) Depth: 1.65 in (42 mm) Weight (with batteries): 4.76 oz (135 g), with AA battery Logitech Unifying 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 Precision Optical Tracking DPI (Min/Max): 1000±
