◆ Compact yet has an air volume of 1.3m 3 / min.* Air volume at the dryer outlet when TURBO/nozzle is not installed (Measurement method is based on JIS C 9613)◆ Quick drying nozzle for speedy drying. Vertical strong & weak winds loosen wet hair strands & quickly dry long or thick hair.◆ An external negative ion outlet that protects the moisture contained in negative ions from heat & delivers them to your hair. Negative ions coat the surface of your hair making it silky smooth. It also suppresses static electricity in hair.