Portable: This portable straightening brush allows you to enjoy free styling anytime, anywhere without worrying about the power cord.Protection: We have added a protective device to the surface of the heating plate and set a 15-minute automatic shutdown function to prevent accidents. Note that the product will not work when used while charging! The handle part may be very hot when charging, which is normal, don't worry. We installed a protective plate inside the battery, you can use it with confidence!Battery: Equipped with a high-capacity 4,500 mAh battery, it can be used continuously for about 50 minutes under normal circumstances, giving you enough time to get silky smooth results. You can intuitively see the progress of the temperature rise and the remaining battery life. Press the switch button once to switch the temperature and batteryHeating: The straightening brush uses MCH heating technology, which can heat up to 200, quickly and evenly distributing heat on the bristles. It is recommended to wait 5 minutes after turning on the machine and adjusting the gear before starting styling.Straightening: The ceramic-coated bristles can effectively straighten the hair while protecting the hair from damage through continuous heating and gentle bristle pressure. Press and hold for three seconds to turn on, double-click to switch between temperature units, 4 levels to adjust temperature