Hanging Neck Type Lazy Hanging Neck Fan Outdoor Sports Usb Charging Portable Silent Leafless Fan $ 20.54 Product Information: Power supply mode: USB Rated voltage: 5Vus Rated power: 1.2W-3.8W Noise: below 40db Wind type selection: normal wind Maximum power: 3.8W Wind speed gear: first gear 8.5h, second gear 4h, third gear 2.4h Color: white, pink, green Air supply type: standard air Operation mode: mechanical Packing: Fan *1