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This device is used to provide light to your computer, most are USB compatible. you plug the light into your USB slot and there you go light for your computer. But whats the point? if your using your computer isn`t there already light from your screen? I have never had that problem during the night while using my laptop so i didn`t think it was a big enough issue to have so many of these lights manufactured. What do you think?
apple mac usb