Instructions for Use Press the button above briefly once to turn on the first fan (the display shows 1). 2. Press the button again to turn on the second wind fan for the second time (the display shows 25 3. Press the third button to activate the third gear (the display shows 50). 4. Press the fourth button to activate the fourth gear (the display shows 75). 5. Press the fifth button to activate the fifth gear (the display shows 100), and press it briefly for the sixth time to turn it off 6. Long press the button below: When the fan is in gear 1, the display shows 1. After long pressing the button, the display gradually increases from 1 to 100 (the fan voltage gradually increases). When the fan is in gear 2, the display shows 25. After long pressing the button, the number gradually increases from 25 to 100 (the fan voltage gradually increases). And so on 7. Shut down when the battery voltage drops below 3.2V
