소리: Pure Brainwaves (Gamma, Delta)

3. Gamma (by Gaia Meditation)

  - Pure Gamma Waves (40 Hz) Isochronic Tones to Improve Focus and Learning:

  - Gamma Waves Isochronic Tones (70 Hz - Pure) for Inspiration:

4. Delta (by Gaia Meditation)

  - Pure Delta Waves (0.5 Hz Binaural Beats):

  - Pure Delta Waves (2.5 Hz) 1H Binaural Beats, Anxiety Relief: