- It is reliable optical technology mouse ball.
- Scroll wheel for easy navigation.
- No mouse pad required, gives smooth, precision motion on virtually any surface.
- 3D internet wheel, faster wheel scrolling.
- Agree with the palm arc, comfort for either hand user.
- 3D internet wheel, keying two unite one design, never use scrollbars again.
- Optical sensor: 800dpi
- Easy play and play setup and operation.
- It support system Windows 98/98SE/ME/XP/2000/2003/MAC OSX.
1 × 800dpi USB 3D Scroll Wheel Optical Mouse
1 × USB Adapter