Extremely robust, sensitive and healthy.
4smarts Second Glass Anti Bluelight
filters the harmful rays of your display with its innovative Pro-Eye technology.


The 4smarts Second Glass Anti Bluelight combines indestructibility with sustainability.

Your eyes are daily strained tremendously by bright screens and displays.
Especially the emitted blue light spectrum in the nano range and the UV rays have a particularly negative effect.


The built-in spectral filter in Second Glass Bluelight
eliminates up to 90% of these human-incompatible radiations.


Despite the elimination of radiation, you don´t have to accept any losses in the quality of your display.
The display seems to continue in the whole blaze of color.


  • Filters especially UV-rays and harmful blue light in the range of 350 to 500 nm
  • Reduction of the radiation by 90%
  • Protection against eyestrain
  • Simultaneous protection against damage and incident light
  • Ultrathin tempered glass (only 0.3 mm thin) with rounded edges, for a pleasant touch & feel sensitivity
  • Extremely hard glass with a surface hardness of 9H (to a Mohs hardness scale of 1 to 10, 10 equals the hardness of a diamond)
  • A fingerprint-resistant oleophobic coating and the anti-fingerprint technology repels oil, dust and dirt
  • Easy to clean, quickly to install and removable with no residue
  • Retina compatible, ultra clear and 100% colorfast
  • 2.5D rounded edges

  • 4smarts screen protector anti bluelight made of tempered glass
  • damp alcohol cleaning cloth
  • microfiber cleaning cloth
  • antistatic adhesive film for dust removal
For compatibility check the label on the package.

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