A:AnswerThe Dohm creates a fan based white noise. There is a fan blade and a motor inside the machine that creates this noise. You can control the air flow through the vent openings to manipulate the volume and tone of the sound. You can also sample the sound on our website at this link: https://yogasleep.com/collections/natural-sound-machines/products/dohm-charcoal
Sara- Yogasleep Customer Care
www.yogasleep.com
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