What It Is This revolutionary styling iron has sonic vibrating plates infused with Volcanic RockMX that style hair in less than 10 minutes. Bio Ionic Moisturizing Heat conditions hair throughout styling, sealing in moisture and smoothing the cuticle, for softer, healthier strands. What It Does • Natural Volcanic Rock Mineral infused plates with BioCeramic Heaters for constant and even heat. • Digital temperature control up to 450F/ 232C • Sonic Vibration Technology for superior shine • 1 hour automatic shut off • Rounded barrel for styling versatility to create wavy or straight styles • 5-year warranty • Dual voltage • Universal voltage • 9ft swivel cord