The patented blade fan is ultra small, made of ABS,solid structure. It is very suitable for students and tourists. Features 4W power energy consumption, you don't need to worry the electric bill and get cool in the summer wherever you are. Most of all, it could be charged by 5V adapter, Computer usb jack,power bank,and phone which supports OTG function. Very convenient and safe. Specification: Power:4W Size:11.2*3.5*9cm Body material: ABS Power:Li-battery and USB Weight:about 380g(Include package) Charge time:5hrs Manual Guidance: 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. Charging indicator light, red light for charging, green light for fully charged. Charge battery through the Micro USB input. Portable power, USB output. Package: 1* Fan 1* USB 1* Adapter
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