Hemi-Sync for Manifestation, Unopened CD. Hemi-Sync® (Hemi-Sync) is an audio-guidance technology developed by the Monroe Institute in the United States. By playing different frequencies of sound into the left and right ears, "binaural beats" (auditory brainwaves) are generated in the brain, guiding brainwaves to specific states. This technology is used by researchers and therapists around the world for purposes such as: Scientifically Expected Effects • Induction of α waves and θ waves: Promotes relaxation and meditation • Improved concentration: Enhances work efficiency and learning effectiveness by activating β waves • Improved sleep quality: Induces δ waves, promoting deep sleep • Stress reduction: Supports mental and physical stability by balancing the autonomic nervous system Condition: Brand new, unopened Shipping: Will be carefully packaged with waterproof and cushioning materials.