About this product: 【20 Million High-Concentration Negative Ion Emission】The Dyweytel high-concentration negative ion hair dryer is a hair dryer that converts moisture in the air into negative ions that are easily absorbed by the hair and sends them out with the wind. Negative ions moisturize the hair and gently care for the hair and cuticles. This hair dryer allows anyone to replicate the drying techniques of a hairdresser. 【1200W High Air Volume, Quick Drying & 3-Stage Wind Speed】This hair dryer uses a powerful 1200W motor, generating a high-speed and stable airflow of 2.0m³/min, drying your hair in no time without damaging it. It is ideal for those who want to dry long hair quickly. It is possible to adjust the wind speed in 3 stages: cold, warm, and hot air, allowing you to use it according to your preference. Furthermore, you can switch to cold air in just one second by pressing the cold air switch. 【Overheat Protection, Intelligent Constant Temperature & PSE Certified】Equipped with an intelligent overheat protection chip, it reduces and minimizes damage to the scalp and hair from hot air. The power will automatically turn off if the wind temperature becomes abnormally high. Recommended for home use, beginners, professionals, and even the elderly and children, as it is easy to operate. In addition, both the power plug and the hair dryer body have obtained the PSE certification for safe electrical use in Japan, and are recognized as small appliances with high security performance and safe use. 【Foldable & Comes with 2 Interchangeable Nozzles】The hair dryer is highly practical and foldable, making it compact and convenient for storage and carrying, perfect for business trips and travel. It's a great choice for single-person households, families, and as a gift for friends. It also comes with a hanging hook, making it easy to store by hanging it on a wall hook. 【Comes with 2 Interchangeable Nozzles】① Set Nozzle: Dries hair quickly and distributes heat evenly. ② Diffuser Nozzle: Ideal for creating fluffy curls and waves, and for styling curls and waves.