Specification
Brand:                      Awei
Model:                      F23
Fan Type:                  Mini Portable Desk Fan
Battery Capacity:      4000mAh 
Charging Time:         2/3hours
Backup Time:            3-18hours
Power Input:             5V 
Power Output:           5W Max 
Rotation:                   360° Adjustable Head 
Noise Level:               Low Noise Operation 
Color: Black
Portability:                Lightweight & Easy to Carry
Charging Method:      USB Rechargeable

Description
You no longer have to rely on a large fan to get relief in the heat. Awei F23 Mini Portable Fan comes with powerful cooling performance and long battery backup—which will be your reliable companion everywhere, whether at home, in the office, traveling, or during the busy time of sacrifice.
This fan has a 4000mAh high-capacity battery, which ensures hours of cool air on a single charge. With 4 different speed modes, you can adjust the airspeed to suit your needs. In addition, the 360° adjustable head makes it easy to set the airflow in any direction.
It works almost silently because it uses low-noise technology, which is perfect for studying, sleeping, or office work. The compact, lightweight design makes it easy to carry in a bag, and the USB charging capability lets it be powered by a power bank or a laptop.