4000 mAh Battery Operated or USB Powered Desk Fan, Portable Table Fan with 4 Speeds, Quiet Operation, Adjustable Tilt, Enhanced Airflow, for Bed, RV, Camping,Office-Dark Blue, 6 Inch

High quality, long time duration
Powerful engine, 4000mAh upgraded 18650 battery, premium ABS material, all these high quality important components insures the rechargeable fan to last long working.
Easy to remove and clean
The front cover is easy to disassemble and clean.
Fast charge
It get full charged via 2A/5V charger for 3 hours, which recharges 40% faster than 1A/5V charger.
4 settings
Low speed lasts about 13.5 hours working time, brings you peaceful wind without bother your sleep.
Medium and high speed brings you cool wind.
max speed lasts 2.5 hours working time,it puts out a significant amount of wind.

Specifications:
Material:ABS, Aluminum alloy
Battery capacity: 4000mAh(14.4 Wh/3.6V)
Charging Time: 3-5 Hours
Input: 5V/2A (TYP)
Size:6.5*5.3*10.6inch(Length*Width*Height)

What you get:
1*desk fan
1*Micro USB cable(3.3ft)
2*2000 18650 battery(replaceable)
1*User Manual
1* warranty card
1*screwdriver

Ideal for indoor and outdoor:
Indoor: Put the desktop fan on the desk to put out a descent amount of air flow when you play games, read books, do work and so on.
Outdoor: It would be a good partner for you, when going outdoors like trips, travel, hiking, camping, etc.