RETRO.UPGRADE Genius Excelsa Pro Rup 962 Small straightener with artificial intelligence adjusts the temperature based on hair type and straightens hair without altering its structure. The newly designed AI function ensures that hair is not brittle or burnt. Infrared heat: Infrared heat waves gently warm the hair from the inside, reducing damage. This innovative technology maintains the right moisture levels and seals cuticles opened by previous treatments. Active negative ions: Produces more negative ions that condition the hair cuticle, eliminate static electricity, and prevent frizz. Provides maximum care for the hair, leaving it shiny and perfect over time. AI button to activate artificial intelligence: Automatically sets the temperature based on hair type.