Note: It is forbidden to use with hot air connection plug and USB power charging. Name: Cordless Hair Dryer Function: hot and cold air Color: white, black, pink, green Cold wind power: 40W, 3.7V, 2600 mAh Hot-air power: 500w Rated voltage: 220V 50HZ Size: 18 14.5cm packing list: 1 cordless hair dryer 1 USB cablePerfect Gift: This versatile cordless hair dryer is also a perfect gift choice. Whether it's a gift for your wife, daughter, mother, or girlfriend, its practicality and innovative design will make them feel you care. Portable Travel Hair Dryer: The cordless portable hair dryer is battery operated, freestanding cordless design and lightweight. Lightweight and compact, it is easy to carry and fits easily in a suitcase or travel bag, or stored in a drawer. Professional Hair Gare Hair Dryer: It has a built-in dual safety temperature control system, through a high-sensitivity temperature control fuse and an active overheating protection device, once the temperature exceeds the safe range, the system will automatically cut off the power to protect your hair from overheating during use s damage. Innovative Design Concept: Innovative balanced heating element design, 500W just right power, not scalding the scalp, hot but not hot, cold but not cool. Ergonomic handle design, comfortable and easy to hold, light and portable, low noise. USB Cordless Hair Dryer: built-in battery, USB interface for fast charging. The first gear only outputs cold air, and the internal battery of the hair dryer needs to be charged, and it is equipped with a USB cable for use. The second gear only outputs hot air, and requires an external power supply to output, so it needs to be plugged in and equipped with a plug before it can be used.