Amazon.com : Royale Luxury Ceramic Hair Straightener Brush 。Brand new. Ceramic. Retails $500, luxury and high end. Color choices are hot pink or black. Hair care products new in package, never opened. • Dual Voltage 110V-240V • Professional Temperature Heat Controller 250°F to 450°F • 100% Ceramic Straightening Surface • Heat resistant guard • Safe for all hair types The 360° Swivel Cord allows the flexibility required for stylists to move freely without the cord becoming tangled or damaged. It’s perfect for today’s advanced styling techniques. Temperature Control. This feature allows the stylist to select the optimum temperature for the type of hair to minimize damage and enhance the styling results. Negative Ion Technology emits atoms that can stop the growth of bacteria resulting in healthier hair and scalp. Negative ion energy allows smaller water molecules to penetrate the hair shaft and close the hair cuticle, which is very good for the health and appearance of the hair. Nano Technology. Nanoparticles are embedded in the flat iron plates to inhibit bacterial growth. This feature results in cleaner and healthier hair.