Leakage and Overheating Protection?This hair dryer is equipped with a safety plug to ensure the safety of you and your family when leakage causes a short circuit. Makes it easy for your family to use, allowing you to enjoy the perfect experience that a hair dryer with a diffuser provides Name: Cordless Hair Dryer Working method: cold air hot air alternating Noise: less than 60db Cordless hair dryer (equipped with 6 2600mAh lithium batteries), hot and cold settings, cold air for about 6 hours, hot air for about 15 minutes. The shell material is ABS glass fiber reinforced plastic. Charging time is 5 hours. Rated voltage 24 (V) Wind speed gear: 2nd gear Shell material: ABS Rated power: 350w Rated voltage: 24v Charging method: USB Weight: 0.85kg Product accessories: wireless hair dryer 1 base 1 USB charging cable 1Meet your needs: The hair dryer can easily adjust the wind speed to meet your specific needs. It comes with a brushless motor that allows you to easily create different hairstyles at home. The mild temperature is more suitable for babies, and the low noise ensures babies stay quiet when using them. Leakage and Overheating Protection: This hair dryer is equipped with a safety plug to ensure the safety of you and your family when leakage causes a short circuit. Makes it easy for your family to use, allowing you to enjoy the perfect experience that a hair dryer with a diffuser provides. Quick drying: Our ionic hair dryer features even heat distribution, large heating area, and consistent heat. High speed and large torque can effectively and efficiently dry hair. The thermostatic design ensures hair protection and provides the best care for your hair. Upgraded Negative Ion Technology: This hair dryer uses advanced ion technology. While reducing noise, it also allows negative ions to fully combine with the hair during the blow-drying process, reducing frizz and making the hair look smooth and moisturized. LIGHTWEIGHT AND PORTABLE: This hair dryer is lightweight and easy to use, so you can use it as a travel hair dryer. It can blow out hot air without plugging in electricity.