Take a proactive approach to your health at work with a centered mouse that allows you to do desk work comfortably and ergonomically. With the RollerMouse Pro, you control everything; cursor navigation, programmable buttons and a large scroll wheel are all centralized right in front of you. We have built it like this to prevent you from stretching, twisting and straining. It is seamless to customize it to match your personal preferences with the magnetic wrist rests that come in different sizes and materials.