Ergonomically shaped and ergonomic wired trackball with less wrist strain The new design allows you to use your hand lightly from the side rather than placing your hand on the top, reducing the twisting of your wrist. The natural angle can be pulled without straining your wrist even after extended use. A trackball that operates cursor by rolling the ball with your finger. 34mm medium size ball is just right for your thumb.
The cursor speed can be switched between 4 levels: 400, 800, 1200, and 1600 counts.
Left and right buttons with silent switch.
This is a wired type that does not require battery replacement.
Size:
Individual Package Size: 5.9 x 3.1 x 9.1 inches (15 x 8
Weight
Individual Package Weight: 9.8 oz (280 g).
Country of Manufacture:
China