This Portable Mini Fan is rechargeable with USB powered. The fan can be connected to either a PC or laptop via the provided USB cable. Besides that/ you can even use a USB cable to connect your fan into a power source instead of a PC.
Is the hot and humid weather bothering you and making you uncomfortable with all the sweating and heat? With this Mini Portable USB Tower Fan/ your hot and sweaty days are over This incredibly compact sized fan is USB powered and is able to provide you with the best cooling power to keep you happy and comfortable 

• The structure of these fans is unique and fashionable
• Using the brush and slot less motor/ to ensure the high winds and long-life
• Intelligent control system/ reliable performance/ which is fully functional and easy operation
• A professional portable fan with integration of design/ simple appearance and firm structure
• Three gear speed/ according to your need to debug a suitable own air volume
• Use 4 5 W brushless motor industrial fan 4 inches/ big air volume is long life
• Battery compartments for disassembling structure/ convenient for the user to maintain and replace the battery
• Adopt international standards of 18650 3 7V/2200mAh large-capacity lithium battery provides super long using time and strong power output

What"s in the box: - 
1 x Mini Portable USB Tower Fan 
- 1 x USB Cable