Contour Design RollerMouse Pro3 10 Cursor Speeds Smooth Scroll FunctionDescriptionSpecificationsShipping RollerMouse Pro3, unlike a traditional mouse, sits in front of your keyboard instead of to the left or right. This placement eliminates the need for reaching for the mouse and will greatly reduce unnecessary muscle activity in your arms, shoulders, and neck The RollerMouse Pro 3 is an ergonomic mouse alternative designed for you, not your computer. It sits in front of your keyboard, eliminating the need to reach for