The vibrating plates creates a continuous surface contact to optimize the smoothness and the moisturization provided to each strand. The volcanic properties combined with an exclusive mineral complex gives hair incredible shine in less than 10 minutes! FEATURES 1" (25mm) plates Sonic vibrating plates Rounded barrel Digital temperature control Adjustable temperature up to 450°F Automatic Shut-Off after 1 hour Swivel Cord 9 ft cord Universal Voltage HOW TO USE Use the rounded-tip plate design to smooth short hairs around the hairline