ErgoTrak 3 Button Trackball

Features

• ErgoTrak3 Button Trackball is both Mac USB and PC USB compatible, and comes with a PS/2 connector.
• Opto mechanical technology for highly accurate pointing.
• Large button design for comfortable use.
• Tactile micro switches for highly reliable tactile sound and feeling.
• Removable retaining ring for easy ball removal and roller cleaning.
• Scrolling, Zooming and some other functions under Window environoment.
• Detachable Palm Support.
• Compatible OS: 98 / 2000 / ME / XP .
• Dimension: 7.6 x 4.7 x 2.4(L*W*H)

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