Negative Ion Hair Dryer Professional Salon Hairdryer Household Strong Fast Drying Wind Gale Speed Portable Blow Dryer Anion|Hair Dryers Product ?STRONG MOTOR FOR FAST-WORKING , LONG-LASTING POWER -- Salon-quality 1800W DC motor hairdryer for 40% faster air flow and three times longer motor life. ?ADVANCED NEGATIVE IONS --Ionic hair dryer with comb attachment that emit negative ions cause globs of H2O molecules to divide into smaller particles that evaporate faster.professional hair dryer Frequency conversion technology to generate deep penetrating heat. blow dryer comb attachment penetrates directly into the cortex of hair cuticles, heating from the inside out which creates an effect that relaxes and softens hair. ?QUIETER AND MORE EFFICIENT THAN MOST--Double-sided turbo vane design and DC motor makes blow dryer with comb in an efficient and relatively noiseless manner ,as hair dryers for women and men,30% quieter than similar models. ?SPECIFICATION--blow dryer with nozzle attachment has six speed adjustment and three speed air control,2 concentrator and 1diffuser attachments,lightweight (280g)and powerful for not only salon and home use but also useful as a travel hair dryer.