High-Speed Hair Dryer Nicebay high-speed professional hair dryer features a 1600W power and a 110000RPM high-speed brushless motor, enabling wind speeds of up to 23m/s for faster hair drying. Negative Ions This hair dryer can generate 500 million high-concentration negative ions per cubic meter, deeply penetrating each hair strand to prevent dryness and promote smoother, shinier hair. 3 speed and 4 heat settings With 3 speed and 4 heat settings, you can easily control the temperature and wind speed to achieve the ideal drying combination for different hair types and styles. Low Noise Temperature Control Equipped with heat balance technology and intelligent temperature control to minimize heat damage, this hair dryer operates at a low 60 decibels for a quiet environment. Lock Function Lock mode disables the temperature and speed buttons to prevent accidental touches. Slide the switch to "Lock" to activate, and back to "On" to unlock and adjust.