High performance hero 16k sensor: Logitech most accurate sensor yet with upto 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 Upto five ready to play profiles directly to the mouse Adjustable weight system: Arrange upto five removable 3.6 gram weights inside the mouse for personalized weight and balance tuning. Requirements - Windows 7 or later. macOS 10.11 or later. Chrome OS. USB port Programmable RGB lighting and lightsync technology: Customize lighting from nearly 16.8 million colors to match your team's colors, sport your own or sync colors with other Logitech G Gear Mechanical switch button tensioning: Metal spring tensioning system and pivot hinges are built into left and right gaming mouse buttons for a crisp, clean click feel with rapid click feedback