Schematic of the principle of a 3M anti-peeping film.

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MacBook Pro 14 Privacy Screen, Magnetic Removable Privacy Screen Compatible with Macbook Pro 14 inch 2021~2023 (M3 /M2/M1 Chip/A2918/A2992/A2779/A2442), Anti-Peeping,Anti Blue Light and Anti Glare : Electronics

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