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Microsoft Trackball Optical 1.0 PS2/USB Compatible
SKU # 1257164533

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Condition: Used - Guaranteed Working

Trackball Optical combines a thumb-operated trackball with IntelliEye optical technology for superior precision and accuracy. Designed to be thumb-operated, the ball is conveniently located for easy control. Trackball Optical has an ergonomic design that supports your entire hand and fingers. The wheel makes scrolling simple without using scroll bars and helps you work 25% more efficiently. With no rollers or gears to clean Trackball Optical will stay precise, as if it were "brand new."The IntelliEye sensor scans 1, 500 times per second, resulting in smooth, controlled movement. IntelliEye optical technology gives consumers more precision, control and accuracy. Trackball Optical is the ultimate trackball combining IntelliEye optical technology popularized in IntelliMouse Explorer with a wheel and five programmable buttons.