3 Speeds Adjustable - Once ress the button "ON" to change the speed 1- 2- 3- LED Light, Low / Medium / Strong wind, perfect for Office, Library, Camping, Travel, Gym, etc. Bring you a COOL day.
2 Ways for Energy - With a 2200mAh rechargeable 18650li-ion battery (included), works 2.5-6 hours depending on the frequency you use. And it can be connected with a USB cable (included) in a fast speed charging mode.
Quiet and Low Noise - KooPower Desktop Fans, uses brushless motor, less friction, to ensure strong winds and low noise. Do not disturb your work or sleep.
Intelligent System - The indicator will be flashed in low battery, and the 3-speed will be automatically turned off to protect the system. Reliable performance, which is fully functional and easy to operate.
Unique and fashionable - A professional portable fan, 124 * 45 * 148mm, Mini Fan with Small body but have a powerful energy.