Peter Gamma (Physiologist & Director) Meditation Research Institute Switzerland (MRIS)

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Unclear business model for EEG caps sold by Greentek sensors

Posted bypg@petergamma.org

Last Updated on January 9, 2023 by pg@petergamma.org

Altough we love the Greentek EEG cap demos by Benny Deng:

and Krisztián Hofstädter:

  • The business model of Greentek sensors is unclear. Costs for these caps on Alibaba are low for resellers, and high for private sellers on Aliexpress.
  • The result of this is that shops like the OpenBCI shop USA can buy these caps at a low prize and sell those to customers with a high profit. On the other hand for private persons which want to buy those on Aliexpress, costs are high.We do not understand, why sellers like the OpenBCI shop USA have better conditions than private persons which do not have a lot of money, so that shops like the OpenBCI shop can make a lot of money in their shop, and private persons have to pay a high prize.