Features: Ergonomic handle design, comfortable grip, easy to use, giving you a good hair drying experience. Double safety temperature control protection, care for the hair without overheating damage. Selected high-sensitivity temperature control fuse and active overheating protection device in the temperature exceeds the safe range, automatically start the power off protection Smoothing and high speed motor high speed to provide stable wind source Synergistic fan leaves noise reduction design, effective control to reduce wind noise. Wireless, charge/plug dual-use: built-in battery, USB interface for fast charging, quick and easy to use during business trips Easy to carry: lightweight and compact, easy to carry, easily fit into a suitcase or travel bag, or stored in a drawer. The hot air of this product needs to be plugged in and connected to 110-220V. When connecting USB, only cold air is available. The specifications of the hair dryer will match the corresponding adapter according to the country where you placed the order. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description:Product size: 18*14.5cm Cold wind power: 40W, 3.7V, 2600 mAh Hot-air power: 500w Rated voltage: 220V~50HZ