4000mAh Newest Design Neck Fan LED Display 3-Speed Adjustment Portable Usb Charging Personal Hanging Neck Bladed Fan Neck Cooling Sports Hanging Silent Strong Wind Fan

Type：Wearable Neck Fan Battery Capacity(mah)：4000 Power Source：Battery, usb, Electric Featured Function：neck wearable dimensions (l x w x h (inches)：192*49*226mm Power (w)：3W Voltage (v)：5V material：Plastic Energy Efficiency Rating：Class A Item Weight：0.3kg Wind Speed：3-Speed Adjustable Private Mold：Yes Charging Time：3~4 Hours Material：Plastic Power Supply：USB Speed：3-speed Weight：0.3 Working Time：1-3 Hours Operating Language：English App-controlled：NO Application：Hotel, Car, Outdoor, garage, RV, Commercial, Household