Yogasleep Dohm Uno White Noise Sound Machine, Fan-Based Natural Calming Pink Noise for Office Privacy, Sleep Aid & Meditation. Adjustable Tone & Noise Canceling for Travel, Baby & Adults (Charcoal) – FAN-BASED WHITE NOISE: Loved by generations since 1962, the Dohm Uno features our signature fan-based natural white noise – ADJUSTABLE TONE: Our single-speed model features adjustable tone to create a personalized sound environment, excellently masking noise for better sleep – ASSEMBLED IN USA: Assembled for decades in the USA and backed by a 30-Day warranty – SIMPLE TO USE: Powered by a 8 foot 120V AC plug, just plug it in, flip the switch on, then rotate the cap and collar to find the best sound for you – SLEEK DESIGN: Uno features a sleek and simple design; fits anywhere and blends unobtrusively into any surrounding