Kensington Orbit Optical Trackball Chair Featuring a practical compact USB

Featuring a practical compact USB wireless adaptor with narrow profile to avoid blocking other usable ports

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and other essentials

RollerMouse Mobile has a wide roller bar with high precision and a dual sensor that guarantees the same functionality as other RollerMouse models

Kensington Orbit Optical Trackball Chair Featuring a practical compact USBKensington Orbit Optical Trackball The Kensington Orbit Optical Trackball has a design that optimises desk space when compared to a mouse. Features: Design for left or right handed users. Two customisable buttons with Kensington TrackballWorks software. Optical technology delivers superior precision. USB Connection with PS2 adapter. PC and Mac compatible. Specification: Brand Kensington Connectivity Wireless USB Number of Buttons 2 Optical or Ball