The Logitech G13 Advanced Gameboard (920-000946) Gamepad features a contoured design that supports the natural shape of your palm to keep you comfortable during long gaming sessions. It has 25 fully-programmable G-keys that offer quick access to customizable functions. You can create up to 75 unique functions to simplify your commands as you play. They are colored, backlit keys that can be customized to light up and help you locate and identify them in the dark. A programmable mini joystick located under the thumb makes for easy maneuvering. Engineered to withstand intense gameplay, it weighs 650 grams to offer exceptional stability.