3Hz Delta brainwave binaural beat royalty free sound effect (15 min long pure sine high quality 24 bit 48 kHz WAV tone) to use in relaxation or focus video, meditation, binaural beats sound design, sound therapy, and commercial business use. Best for wellness creators, meditation channels, video editors, and sound designers who need a clean … Continue reading 3 Hz Delta Brainwave Binaural Beat (15 Min HQ)