439 Hz is a universal frequency that can have a positive effect on the chakra system, especially on the crown or Sahasrar chakra. In general, it is full of spirituality and can help to find a spiritual balance or can stimulate the brain, it is therefore interesting from a psychological point of view.
When listening to frequencies, you should always drink enough water! The frequencies can be listened with speakers as well as with earphones.
Important Disclaimer: Frequencies should not replace medical treatment!
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