Elegant Shopping Rechargeble Fan Portable Desktop Fan, Black USB Fan(Black)

Mini USB Ventilator Desk/Portable Fan Battery Operated and Rechargeable Portable Powered Ventilator Fans Outdoor Used. The structure of fans is unique and fashionable Intelligent control system, reliable performance, which is fully functional and easy operation Using the international standard 18650 capacity lithium batteries, that can be recycled and low cost, more universal Yellow button: Battery activation button. Green button Click shift button after activate battery, the fan will cyclic shift, press once to change a speed. The program is “power on-1 speed-2 speed-3 speed-power off Red button Quick shutdown button. This red button is also replacing the fans which are without yellow one. Working mode indicator.