Operating instruction: 1. Green button: Battery activation button. 2. 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". 3. Red button: Quick shutdown button. This red button is also replacing the fans which are without yellow one. 4. Working mode indicator. 5. Charging indicator light, red light for charging, green light for fully charged. 6. Charge battery through the Micro USB input. 7. Portable power, USB output. Specification 1. Input: DC 5V, 0.5-1A 2. Output: DC 5V-9V 3. Output power: 4~4.5W 4. Full Charge:Take About 4 hours 5. Three wind speed selections 6. Dimensions: 140 x 105 x 42mm 7. Battery Specification: 18650 Li-ion. 8. Battery Installation: Removable. 9. Battery: driving fan for 2~5hours after full charge 10. Battery can be charged in the fan with bundled USB adapter and USB cable Package includes: 1 X Main fan engine 1 X 18650 battery 1 X charge cable 1 X User Manual 1 X travel charger If any problem, please contact us at ease and we'll supply our best service for you.
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