This fan is a USB port rechargeable model. Please open the battery cover and take out the insulator before using the fan, or the fan can't work.this product comes with overcharge and over discharge protection.
【 Indoor desktop fan and outdoor portable fan】Foldable handle design, convenient to hold in hand, perfect fan for the office, home, dorm, study, library, games room ,and also fits your handbag with its palm-size. Or just fold the handle and put on the desk.
Convenient Charging - Compatible with all USB output device With the USB charging cable, works with and could be recharged by output adapter, USB charger, laptop, computer, power bank and other USB-enabled devices.