Easy to operate, suitable for indoor or outdoor use
3 speeds are adjustable, practical to use
Built-in rechargeable 1200mAh Li-ion battery, sufficient power
Charge it by connecting attached USB cable with your computer, charger or power bank, etc
Can be used as a desktop air fan or handheld fan
Operation Notice:

Specifications:
Material: ABS+ Electronic Components
Battery Specifications:18650 Li-ion 1200mAh - 3.7V
Input Voltage: 5V
Input Current: 0.5-1A
Speed Regulation: Low-Middle-High
Battery Charging Time: about 2-4 hours
Working Time: 1-3 hours depending on the speed
Net weight: 123G

Using Method:
Remove the battery cover, remove battery insulation piece, install 18650 battery on the fan, and then close the battery cover.
Light indicator: the light is red when charging, the light will be green when full charging.
Please take off the battery if long time no using.