Cordless TrackMan Wheel USB PS/2

Cordless freedom and optical precision. Advanced digital radio technology lets you work up to two metres of the receiver. No line of sight required.Patented optical technology for extraordinary precision and ultra-smooth tracking

- True cordless freedom means more flexibility and less clutter
- Patented optical technology delivers superior precision and smooth tracking
- Comfortable, innovative shape with easy to use scroll wheel
- 5-year guarantee

Experience true freedom. Place this comfortable optical trackball where you choose. Its digital radio technology works in a two meter (six foot) range without being pointed at the computer, even on desks crowded with cups, books and papers. Patented optical technology delivers superior precision, reduced wear and smooth tracking - all without the regular cleaning that mechanical trackballs require. The scroll wheel provides easy scrolling and a third button. Made by the world's largest manufacturer of mice and trackballs.

Logitech TRACKMAN CORDLESS WHEEL, USB Type-A + PS/2

Logitech TRACKMAN CORDLESS WHEEL. Device interface: USB Type-A + PS/2