639 Hz Frequency - 10 Hour Black Screen (Harmonize Relationships & Love)

10 continuous hours of pure 639 Hz frequency tone played on a completely black screen. Known for its ability to heal and harmonize interpersonal relationships, this Solfeggio frequency promotes deep connection, understanding, and inner emotional balance. 💡 Leave it playing in the background to create a peaceful atmosphere in your home or workspace without distracting visuals.