Small Portable Desk Fan, USB or AA Battery Power. Powerful, Quiet, Black

This fan can be powered by 4 AA batteries (not included) or via USB, and it is compatible with mobile power banks. | Its compact size makes it ideal for use in various places such as the office, bedroom, or kitchen. The fan can be folded into an even more compact form, making it convenient to carry and use anywhere. | A built-in magnet allows the fan to be attached to metal surfaces such as a refrigerator or desk, offering a new and unique way to use a fan. | With 360 vertical rotation, you can freely adjust the angle to direct a refreshing breeze precisely where you need it. | The fan offers 3 adjustable speed settings. When powered by AA batteries, it delivers approximately 10 hours on Calm Flow (low speed) with quiet operation at approximately 45dB, suitable for office and bedroom use, and about 2.5 hours on Active Flow (high speed). | The front guard can be easily removed, allowing you to clean the fan blades thoroughly. The front guard is washable with water, and removal is quick and simple with no tools required.