Specification: Item Type: Cordless Hair Dryer Material: ABS Battery Type: (Shipped with Built in Battery) Battery Capacity: 15000mAh Power Supply: USB Interface How to Use: Press and hold the power button to turn on the device. After turning on, press the power button to adjust the fan speed, with three adjustable gears. After turning on, press the temperature button to adjust the temperature gears, with three adjustable gears. Package List: 1 x Cordless Hair Dryer 1 x USB Charging Cable 1 x User Manual 1 x Nozzle?100 Satisfaction?We always strive to provide our customers with the best service and products. Please feel to our professional after-sale service if you have any questions, we will give you the most satisfactory reply as soon as possible! Thanks for your understanding. ?Wide Application?The portable rechargeable hair dryer is designed to be compact and lightweight, suitable for blow drying and organizing hair in student dormitories, traveling, outdoors, etc. The lightweight design makes you complete salon modelings at home effortlessly, meeting the demands of all hairstyles: thin, thick, curly and straight. ?Strong Power Wind?This cordless blow dryer is designed with high wind power to ensure fast hair drying, save time and easy styling. The wind is harmless to human body, also suitable for children and pets. ?15000mAh Battery?This hair dryer adopts USB rechargeable design, no need to plug in, more convenient, you can use it anytime and anywhere, 15000mAh capacity, providing long battery life. Digital display screen design, convenient to grasp the remaining battery power. ?Safe and Adjustable?The cordless hair dryer has 3 gears of adjustable wind speed and temperature, reduce frizz and static, protects hair from dull or damaged and makes hair moister, smoother. Made of premium ABS shell material, sturdy structure, safe and reliable.