This frequency can have more effects. In general, it can help to change perception and improve mood and from a spiritual view it can help with self-transformation into a higher self, 125 Hz is also often associated with psychic abilities.
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!
My Youtube Channel: https://www.youtube.com/@frequencymind
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