This Sanwa trackball mouse is designed with an ergonomic grip for comfortable use. The optical rollerball provides smooth tracking and precise movement. It comes in a sleek gunmetal color and is wired for a reliable connection. The mouse features a variety of aspects including brand, type, model, connectivity, and tracking method, making it a top choice for computer users. It also has additional features like an ergonomic design for long-term use. Add this high-quality trackball mouse to your setup today.