DIMENSIONS Mouse (height x width x depth): 97.7 mm x 61.5 mm x 35.2 mm Mouse Weight: 70.5 g with battery Nano receiver (height x width x depth): 6.6 mm x 14.4 mm x 18.7 mm Nano receiver Weight: 2.0 g SYSTEM REQUIREMENTS Windows® 7, Windows 8, Windows 10 or later Mac OS® X 10.8 or later Chrome OS™; Linux® kernel 2.6+ USB port