I work in engineering so I'm always at my computer. I wanted blue light protection because it sometimes gives me a headache when I'm on the computer all day. It is magnetic and very easy to attach. You can't completely shut down the computer with it, but that's ok because I didn't really like it. The magnet makes it so easy to turn on and off that I just stick it in my desk. As long as the brightness is increased, there is no glare. It also kind of protects what you're working on since it's harder to see the screen from the side. Highly recommended for those who hate wearing screen protectors.
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