Berina Advance Nanotech Thermal Technology Hair Straightener (Model No.- BC – 098) comes with 360-degree tangle-free swivel cord, touch panel technology, PTC heating element, Universal voltage 100V-240V AC, uniform heat distribution and heat retention and NST Plates life: minimum usage 30,000 times. The hair straightener comes with negative ion technology – an anti-static technology to deliver instant frizz-free hair. It easily creates curls, waves, sleek and straight style and prevents volatility and retains moisture. It gives super smooth styling feel with silky and shiny finish and works well with dry and wet hair.