LED Lighting: Necklace fan with power display light, you can check the remaining power; USB port output voltage 5V, current 2A; can charge mobile phones and other devices. Long Battery Life: 15000MAH large capacity battery capacity, rated power 5W, charging time 8H; 1st gear has a battery life of about 48 h; 2nd gear: about 30 hours; 3rd gear: about 20 hours; 4th gear: about 15 hours; 5th gear: about 12 Multiple Ways to Carry: Personal fan, waist hanging and neck hanging humanized design to meet the needs of blowing in different scenes; metal alloy bracket design, more convenient to use. Strong Wind: Portable waist fan, 5 wind speed modes, brushless high speed motor; 50mm large air outlet, larger air volume, faster cooling. Wide Application: Outdoor cooling fan is made of plastic material, silicone jacket, waterproof, sweat anti, drop anti, wear ; very suitable for summer outdoor camping, night climbing, outdoor work, picnics, barbecues, dinner parties, blowing and lighting.