5.2 x 2.95 x 1.57 inches

Make sure this fits by entering your model number. High performance hero 16k sensor: Logitech most accurate sensor yet with up to 16,000 dpi for the ultimate in gaming speed, accuracy and responsiveness across entire dpi range 11 customizable buttons and onboard memory: Assign custom commands to the buttons and save up to five ready to play profiles directly to the mouse