The Logitech 910-001152 G9X Laser Mouse is a customizable gaming mouse designed to adjust to your needs. You can program up to five profiles (keyboard macros, dpi settings, and LED colors), so you can play your way on other PCs without software installation. The Logitech 910-001152 G9X Laser Mouses interchangeable grips help you find the right combination of comfort and control, while a weight cartridge and included weights let you find a comfortable weight. Integrated dpi adjustment lets you change laser sensitivity for quick movements or fine selection, and the scroll wheel can provide click-by-click cycling or smooth page scrolling. The mouse can store settings profiles on its onboard memory, so you can bring it with you when gaming with friends.