You get precise cursor control wherever you want to use your trackball.Battery life may vary based on user and computing conditions. You can go for up to 18 months without changing batteries and the convenient battery indicator helps to ensure that you'll never be caught off guard.Plus, you can easily add a compatible keyboard, number pad or mouse-without the hassle of multiple USB receivers. The tiny wireless receiver stays in your laptop, so there's no need to unplug it when you move around.
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