Peter Gamma from www.petergamma.org invested a lot of time in reviewing these three products. Here is his conclusion: Pinephone https://forum.pine64.org/showthread.php?tid=16614 https://petergamma.org/tag/pinephone the Muse Headband https://github.com/sccn/labstreaminglayer/issues/30 https://petergamma.org/tag/muse-headband ADS1299 https://www.eevblog.com/forum/testgear/how-to-solve-the-ti-ads1299-eeg-demo-kit-is-not-save-for-humans-problem https://petergamma.org/tag/ads1299 https://petergamma.org/tag/openbci https://petergamma.org/tag/openbci_made_in_china Pinephone Muse Headband products which are based on the ADS1299 EEG chip from Texas Instruments The Pinephone, products which are based on the ADS1299 …