Superior comfort: The Model I 2 Wireless's ergonomic design, dedicated thumb rest, and incredibly light weight make it incredibly comfortable. For users with claw and palm grips, it offers an unmatched gaming experience that is similar to sleeping on a cloud. Customizable buttons: You can easily assign in-game actions, unique macros, and game-enhancing features thanks to the nine programmable buttons. To further customize the mouse to your preferred playstyle, two of its side buttons can be swapped out for different shapes. Features that improve gameplay: The Model I 2 Wireless has features that improve gameplay, like Layer Shift and DPI Shift, which allow for instant sensitivity adjustments and unlock a second programmable layer for more personalization choices. There are three ways to play: Select between Bluetooth 5.2 and 2.4GHz wireless for a robust connection.