DC Fan Circuit Rechargeable Mini Fan 3.7V-5V with 3 Level Speed Control
DC Fan Circuit Board
For Rechargeable Mini Fan
3 Level Speed Control
LED Indicator: Red(Charging),Blue(On)
Micro USB 5V Charging I/P
Charging Input: 5V 2A max
Battery Input: 3.7V 18650 Battery
Ideal for DIY Fan or Electronic
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