Equipped with advanced brushless motor technology, this portable desk fan delivers powerful air while maintaining quiet, perfect for bedroom Equipped with a high efficiency motor, this fan operates quietly even at night, creating perfect for focused work or sleep without disturbance Designed with a fine protective to accidental, making it child safe and ideal for households with children while maintaining stylish functionality Selected from lightweight, this portable fan can adjustable direction, features large capacity battery with USB charging for cordless use Enjoy control with 199 speed option to suit different season and preferences, from refreshing breezes to gentle autumn winds