Employing advanced motor technology, this device runs at less than 25dB, ensuring a peaceful environment for reading, studying, or focused activities Featuring integrated rechargeable battery and charging port, this compact device up to 6 hours of continuous use, ideal for commuting, outdoor excursions, or desk applications This device firmly attaches to belts, collars, or bag straps, enabling full rotation for customized comfort Deliver refreshing air, suitable for maintaining comfort during various moment, travel, or work area use Choose 3 speed to customize the cooling, making this device suitable for different scenario and purposes