Firstsing LED Mini USB Portable rechargeable fan Outdoor Camping office USB Cooler fans

Speed Mode:3 ranges
Output power(MAX):4W
Input current（A）:0.5-1
Working time(H):2-8H
Battery Specification:Li-ion 18650-3.7V,1500MAH Battery installation:removable
Charging time:4.5H
Charger:Input:5V/1A
Speed pattern: 1-2-3-Off
Speed :1th GR-3.0m/s
2th GR-4.0m/s
3th GR-5.0m/s
Charging indication:Red light for charging,Green light for full power
Color:Black/White/Green/Pink/Blue
USB Cable: Black,80cm, 1A current
Rechargeable battery: Powered by the built-in battery, the fan is extremely portable as no cable wiring is needed. It can also be recharged with the provided USB charging cable.
Super Convenient Fan: With the USB charging cable, the fan works with USB charger, laptop, computer, power bank and other USB-enabled devices. It also works with the rechargeable Lithium Battery.
3 Adjustable Speed Level: Low-medium-high speed level. Adjust appropriate fan speed by pressing the power button repeatedly.
Multiple Uses: Powered by USB cable and rechargeable battery, the fan can be used both indoors and outdoors.