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Battery Voltage: 3.7V
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Input: 5V- 1A
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Battery Capacity: 4000mah
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Power and using time: Weak wind - 4Hours. Middle wind - 2.5 hours. Strong wind -1.5 hours.
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Working Mode - USB or built-in Battery.
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Lighting source Power - 0.6W.
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Effective Wind speed - 4.5m/s.
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LED Light
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Soft comfort cool
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Double mode power supply.
Customer Questions and answers :
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