Mouse

Trackball mice are mostly used in laptops, and their appearance looks like an inverted mechanical mouse. Their internal principles also have many similarities with mechanical mice.
Its biggest advantage is that it does not have to wander around like a mechanical mouse during use, saving space and reducing wrist fatigue for users.
Compared to ordinary mice, the trackball has the advantages of precise positioning and less shaking due to its design characteristics, making it suitable for graphic design, 3D design, etc.