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Glow-in-the-Dark Headphones FAQ
Reference Number: AA-00466 Views: 4140 Last Updated: 2015-08-04 10:53

It is normal for the glow intensity (luminance) to dim as you use the headphones.  It is also normal for the luminance of the headphones to reduce once they are removed from a light source.  To restore the luminance effect, please follow these instructions:

  1. Find a light source such as a lamp or sunlight.
  2. Expose the headphones to the light source for as little as 15 minutes.
  3. Take the headphones to a dark location immediately. In the dark, the headphones should glow.

PLEASE NOTE:  The time it takes to restore the luminance of glow-in-the-dark headphones varies depending on the light source and intensity. The stronger the light, the quicker the luminance will be restored.  TDK Life on Record glow-in-the-dark headphones have been tested against the International Organization for Standardization (ISO) 17398 illumination standard.

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