TRAXSYS' Roller II line are sturdy three button switch adaptable pointing devices. They come in a large 2.5" trackball. They have seperate buttons for left click, right click and drag lock with color corresponding switch ports on the back of the units. A flashing light indicates the drag button has been activated. The Roller II products include a keyguard to help users isolate on the buttons.
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ONLY ONE $80 UNIT AVAILABLE
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