Greentek EEG caps, at the level of products sold by VEDIA Switzerland?

Last Updated on April 16, 2024 by pg@petergamma.org

Was the Greentek Geelfree S3 was only tested by Krisztián Hofstädter and in paid promotional papers?

Where has the Greentek Sleep EEG cap been tested?

We do not know of tests with this sleep cap else than the one showed in this video.

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