22021 Cross-border New Product Hanging Neck Fan Portable Leafless USB Charging Lazy Fan Outdoor Sports Net Red Fan $ 16.86 product information: Specification 21816960mm Category Halter Fan Product features Super long battery life, intelligent safety, super large air volume Noise 36-45db Rated voltage 5V Rated power 2-5W Rated frequency 1 Hz packing list: Electric fan