Sound machine - works well - kids have grown out of it - had it for a year :) Discover the magic of uninterrupted, serene slumber with the Yogasleep Dohm Uno, lovingly assembled in the USA. Our unique sound machine harnesses the calming power of a real fan to create soothing white noise without the chill of cold air, ensuring your sleep is not just restful, but deeply rejuvenating. With the Dohm Uno, you get a sleep experience that feels as nurturing and genuine as it sounds.