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1. High order chromatographic bridging technique and three types of nano materials block harmful blue-ray and keep beneficial blue-ray
2. Up to 35% blue-ray blocking rate 3. Lightweight durable and shock resistant |
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1. High order chromatographic bridging technique and three types of nano materials block harmful blue-ray and keep beneficial blue-ray
2. Up to 35% blue-ray blocking rate 3. Lightweight durable and shock resistant |
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