This power bank fan is not only a fan, but also a 3000mAh power bank. Portable personal fan with a foldable handle for easy handling and carrying in pockets and purses. You can take it anywhere, ideal for outdoor activities such as going to concerts, World Cup/soccer games, camping, fishing, boating, traveling. Mini USB fan can be folded in half length. Can also be used as a cell phone stand. They are small and light. You can put it in your pocket and carry it around with you. USB fan electrically supports an angle adjustment of 180. You can hold it in your hand at any time or put it on the table according to your needs. Comes with a USB socket, which can be used to charge your smartphone in an emergency. The battery fan is equipped with a professional high-performance brushless motor with faster speed, strong wind and low noise. Can be used at night or in the library without worrying about disturbing sleep or disturbing others. 7 blades simulate natural winds and make the wind more concentrated, bringing you irresistible coolness. 3000mAh battery, charged for 3 hours, can work continuously for 6-12 hours at different wind speeds. 3 adjustable wind speeds meet the needs of different environments and temperature changes. USB charging via computer, laptop, mobile power supply, USB wall charger, mobile phone adapter, car charger, etc. Ultra-fine mesh design ensures strong wind and prevents the fan blades from being effectively touched to prevent injury. Product Description Size: 165X80X18mm