Blaux Portable Air Conditioners can be altered to work as a fan, allowing users to select the airspeed that's most comforting to them. The three varying air speed settings are programmed to create a very low rhythmic sound, unlike the obnoxious loud noises created by traditional fans. https://www.techtimes.com/articles/250521/20200622/blaux-portable-ac-reviews-%E2%80%93-important-information-revealed.htm