Ceramic & Ionic Technology: The Umeely hot air brush feaures the ceramic titanium barrel to help reduce damage from over-styling with even heat distribution. Negative ions can penetrate the hair quickly to help lock in moisture, nourish damaged hair, reduce frizz and static for smoother, shinier hair Safe Use: Please read the user manual carefully before use. Our blowout brush comes with the ALCI plug, which meets U.S. safety requirements and features the ETL Certification. Note: Unit is designed for 110-120 Volt USA outlets only. DO NOT use a voltage converter or adapter as it will damage the unit. DO NOT use it in bathrooms or places with high moisture concentration. To extend the life of this hair dryer brush, use a cleaning brush after each use to remove the hair left on the machine Blow Dry with Gorgeous Result: The unique oval-shaped barrel features 360° airflow and titanium plates to help smooth, while the round edges can create volume, shape your hair. Designed with Nylon Pin & Tufted Bristles, it can prevent hair tangles, improve volume and shine Style And Dry In 1-Step: Style, dry & volumize your hair in one tool, max drying power with less frizz and helps reduce hair damage. This professional hair dryer brush enables you to complete the exquisite and gorgeous salon blowout results efficiently in a shorter time 3 Settings for Styling Flexibility: 3 Heat/Speed Settings with Cool option for styling flexibility and great results on different hair types. The 1200W powerful motor provides the right heat to efficiently dry wet hair without causing any damage to hair Ceramic & Ionic Technology: The Umeely hot air brush feaures the ceramic titanium barrel to help reduce damage from over-styling with even heat distribution. Negative ions can penetrate the hair quickly to help lock in moisture, nourish damaged hair, reduce frizz and static for smoother, shinier hair