➤Effectively blocking at least 55% of blue light
➤Relieves visual fatigue and improves sleep quality
➤No slip, reduce the wear and tear of the pen tip
➤Reduce glare and reflection, improve visual comfort
➤Mimic the frosted feel of real paper writing
➤Leaving no fingerprints or smudges
➤Matte and high sensitive response
➤Easy installation without bubbles
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