Six core technologies  Three colors, you can choose 59 seconds quick drying Salon-level big wind 5D wind flow, smooth gale Noise reduction salon-level large air volume, does not rely on temperature drying, strong, sharp, quick-drying and more hair care  Collagen micromolecules Deep repair Produce CPN protective film to repair and improve hair gloss Repair perm damage, improve hair quality, hair loss, natural curl  Double temperature protection Safer to prevent burnout Built-in thermostat and thermal fuse, when the body is overheated, it will automatically cut off the power to prevent safety hazards and worry-free use of the dormitory Automatic noise reduction device Low noise, light and not disturbing The inhaled air flow reduces noise generation, and is compressed and released by the turbocharged movement to achieve low noise.  National 3C safety certification Longer and bolder power cord Bold and long rubber soft power cord, safe and durable, pure copper wire inner core, good electrical conductivity, to ensure the safety of you and your family Product parameter Product details