Revlon One-Step Volumizer Original 1.0 Hair Dryer and Hot Air Brush in black is a versatile hair styling tool that delivers salon-like blowouts at home. The unique oval brush design features gently curved sides for smoothing the hair, while the round edges create volume at the roots and beautifully curled ends. The brush has tangle-free combination bristles, including nylon pin bristles with comfortable round tips that quickly detangle and tufted bristles with boar technology that gently grip hair to smooth and create shine. With 3 Heat/Speed Settings and a Cool Option, this hair dryer and hot air brush provides styling flexibility. The ionic technology helps reduce damage and dry hair fast. The brush head size is 3.25" x 4" x 5", and the unit is designed for 120V USA outlets only. The Revlon One-Step Volumizer Original 1.0 Hair Dryer and Hot Air Brush meets U.S. safety requirements and proudly features the ETL Certification seal.