Kensington Orbit Elite Mouse Trackball Corded USB Both Handed Black/Silver Ref 64327EU | Mendes Business Solutions
Amazon.com: Kensington Orbit Mouse - Wired Ergonomic TrackBall Mouse for PC, Mac and Windows with Scroll Ring, Ambidextrous Design and Optical Tracking - Blue (K72337EU) : Electronics
User manual Kensington 64327EU (English - 33 pages)
Mouse Trackball ottica Orbit USB KENSINGTON 64327EU