The mouse offers an ergonomic shape that almost looks like a foot but with a ball on the side. It can provide not just a trackball but also a scroll bar in the traditional location. Also, you get some customizable buttons ready to improve your gaming experience. It's sculpted to the shape of your hand and doesn't need to move around like a traditional mouse, meaning you don't need a large amount of space available. Use your thumb to push the trackball instead of the mouse!