Is the summer heat wave getting you down? Feeling to hot to be productive? These ultra cool mini fans are just what you need!! -The structure of these fans is unique and fashionable -Using the brush and slot-less motor, to ensure the high winds and long-life -An intelligent control system, reliable performance, which is fully functional and easy operation -Using the international standard 18650 capacity lithium batteries, which can be recycled and low cost, more universal -A professional portable fan with the integration of design, simple appearance and firm structure -Speed mode: 3 ranges -Output power: 3W -Working time(H-M-L): 2-3-4 -Battery Specification: 1200mAh, model# 18650 Li-ion -Battery Installation: Removable -Charging time(H): 5 -Product Material: ABS -How to use:Red button: Battery activation button -Green button: Press once to change a speed, the program is "power on - 1 speed - 2 speed - 3 speed - LED - power off " -Red button: Quick shutdown button. This red button is also replacing the fan will cyclic shift -Charging indicator light, red light for charging, green light for fully charged -Charge battery through the Micro USB input -Portable power, Battery output -Can also be used plugged in, make sure to remove the battery if you choose this option What's in the box 2 x Fan 2 x 18650 Battery 2 x Micro USB Cable