Thank you for viewing. Please note that the box may be dented, but there are no issues with the product itself. Thank you for your understanding. "15S Quick Dry" Achieves ultra-fast drying in 15 seconds, the industry's fastest level, with a special high-speed motor applying aerospace technology. "900 Million Negative Ion Hair Beauty Effect" Emits 900 million high-concentration negative ions per second, achieving professional-level shine and smoothness. "AI Function Automatic Temperature Control" AI automatically senses hair quality and room temperature, automatically adjusting to the optimal temperature with a hot and cold rhythm system. "LED Display" Equipped with a smart full-color LED digital display screen that displays the current temperature and airflow in real-time. "Large Air Volume" Built-in independently developed double turbo airflow system that generates three times the powerful airflow compared to conventional models.