1. Automatic swinging air nozzle design, fully automatic swinging technology with the air flow, drying hair quickly and effortlessly 2. Controllable and smooth airflow to help hair become smooth and shiny 3. Intelligent temperature control technology, monitors and regulates wind temperature, and protects the scalp barrier 4. Quickly dry hair. It takes about 3 minutes for short hair, about 5 minutes for medium-long hair, and about 9 minutes for long hair. It saves more time than ordinary hair dryers (the time is for reference only and may vary depending on individual hair volume). 5. Note: The product only has a hair dryer nozzle and does not include a hair dryer.