Features: Ergonomic handle design, comfortable to hold and easy to use, giving you a good hair drying experience. Double safety temperature control protection protects hair from overheating damage. Selected high-sensitivity temperature-controlled fuses and active overheating protection devices automatically start power-off protection when the temperature exceeds the safe range. Smooth and high-speed motor runs at high speed to provide a stable air source. The fan blade noise reduction design effectively controls and reduces wind noise. Wireless, charging/plugging Dual-purpose: built-in battery, USB interface for fast charging, quick and convenient to use when traveling. Easy to carry: lightweight and compact, easy to carry, easily put into a suitcase or travel bag, or stored in a drawer. size: 18*14.5cm Cooling power: 40W, 3.7V, 2600 mAh Hot air power: 500w Rated voltage: 220V~50HZ.EUplug