1. NEW UPGRADE: How is this clip fan different from other clip fans? This fan is more powerful, lasts longer, runs quieter, and is more convenient to carry and store 2. More Powerful: High-precision brushless motor, butterfly bionic 4 blades, 6000RPM strong air supply, maximum wind speed of 15 feet per second, instantly drive away the high temperature and sultry heat 3. Longer Lasting: 5000mAh high-energy density battery, which can be fully charged in 3 hours, and improves the energy utilization space, and the battery life is longer. Once charged, it can be used for 1 day (1st gear) 4. More Quiet: The muffler motor runs smoothly, with all-round mute and noise reduction, and the muffler is reduced to 20 decibels, which is lighter than fallen leaves and does not make noise when sleeping 5. More Convenience: Foldable, easy to carry when going out for camping, gym exercise, travel. The vertical direction can be manually adjusted by 225°, horizontal can 70° oscillation to meet the needs of different moments