[Automatic curling function] Upgraded automatic curling iron, no manual operation required. Just put 2 cm of hair into the slot, press the "on/off" button, and wait for 12 seconds to curl automatically.[Temperature and timing settings] Provides six temperatures (300 to 390) and timing options from 8 to 18 seconds, suitable for different hair types, ensuring long-lasting curling effects.[Smart hair care technology] Built-in smart sensor to prevent entanglement, tourmaline ceramic coating, fast heating and hair protection, avoid high temperature damage.[Safety design] Large LCD display, thermal isolation cavity to protect hands and skin, automatic shutdown after 15 minutes of non-use, ensure safety.[Portable and rechargeable] Built-in 5000mAh battery, charging 3 to 3.5 hours can last for 40 minutes, very suitable for travel and business trips.