The Dyson Supersonic is a lighter, safer, and quieter alternative to the high-end hair dryer. Dyson’s new V9 digital motor is about as large as a D-sized battery. The motor’s compact design means it can be integrated into the handle, instead of the head, making it more comfortable to hold and use for prolonged periods. The $400 device is available in September in the US and will cost $400 in the U.S. Dyson has already re-engineered vacuum cleaners and fans from the ground up.”]
Source: https://gizmodo.com/dyson-redesigned-the-hair-dryer-so-its-easier-and-safer-1770811429