Logitech Gaming Mouse G300 with Nine Programmable Controls (910-002358) Nine programmable controls: Move keyboard commands to mouse buttons that are in easy reach Three onboard memory profiles: Save profiles to the mouse once for gameplay on different computers Easy configuration software: Simply drag and drop commands to the buttons to setup the mouse exactly the way you want Symmetrical compact shape: Feels comfortable in either hand and perfect for people who don't want a large mouse Gaming-grade optical sensor: Tracks great on a wide variety of surfaces and is tunable to achieve the responsiveness you need. Some profile settings require Logitech Gaming Software to be enabled and are not supported on Linux and earlier Windows-based systems. Three onboard memory profiles: Save profiles to the mouse once for gameplay on different computers