DescriptionLogitech B170 Wireless MouseFeatures Connection Type: 2.4 Ghz wireless Optical Sensor Resolution: Advanced optical tracking Color: Black Dimension(LxWxH): 97.7 mm (3.85 in) x 61.5 mm (2.42 in) x 35.2 mm (1.39 in) Weight 70.5 g (2.49 oz) with battery Battery Life: 12-months 1 year Warranty
