639 Hz (Love, Radiance and Positive Energy Tones for Heart Balancing, Relaxation, Meditation, Reiki, Acupuncture, Tarot Readings, Massage, Sound Therapy, Qi Gong and Sleep)
Binaural Beat 639hz (Solfeggio Frequency For Relaxation, Sleep, Meditation, Sound Healing, Focus, REM sleep, Headphone Listening, Connection to Source, Qi Gong, Acupuncture and Reiki)
