Hair Care. The ionic straightening comb releases an abundance of negative ions to help add moisture to your hair, eliminating frizz, tangles and split ends, leaving your hair smooth, silky, naturally shiny and manageable. Faster heating. The ceramic/beard straightening brush heats up quickly in 30-40 seconds and the electric brush adjusts the heating temperature from 150 C (300 F) to 230 C (450 F), which is shown on the LED display, with different temperature settings to suit your needs for a variety of hairstyles. Automatic temperature lock. The ceramic straightener has a temperature lock function which prevents damage to the hair due to elevated temperatures when styling the hair. It ensures maximum safety and optimum performance at all times. Easy to use. The straightening brush is suitable for all hair types and lengths, allowing you to easily turn curly hair into straight hair at home. Angle. BEST GIFT: 110V-240V dual voltage straightening brush, small straightening comb for business travel, perfect gift for family and friends, also perfect for men to trim their beards.