Multi-Function N9 Small Fan Motherboard PCBA Low Voltage 37V Fan Circuit Board Circuit Boards _x000D_ _x000D_ _x000D_ Multi-Function N9 Small Fan Motherboard PCBA Low Voltage 3.7V Fan Circuit Board Circuit Boards _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Features: 1. Mini Fan Motherboard _x000D_ 2. N9 Holding Fan PCBA _x000D_ 3. Three Gears Adjustable Wind Speed _x000D_ 4. Overcharge, Overvoltage, Reverse Connection Protection _x000D_ 5. Professional Installation Is Required To Avoid Product Damage. _x000D_ Description: _x000D_ Type: Fan Motherboards _x000D_ Buttons: Press Once To Turn On The First Gear, Press The Second Time To Be At The Second Gear; Press The Third Time To Be At The Third Gear, Press The Fourth Time To Shut Down _x000D_ Charging Mode: 5V/500MA Charging _x000D_ Brushed Low-Voltage 3.7V Motor Solution _x000D_ Note: _x000D_ Different Batches, Product Appearance, Color, And Printed Characters Will Be Different, Which Will Not Affect The Use _x000D_ size: A-24 x 26mm / B-17.8 x 17.8mm _x000D_ Material: Copper + epoxy resin (EP) + organic resin + glass fiber cloth base _x000D_ colour: As shown _x000D_ _x000D_ Package Contents: _x000D_ 10 x Fan Motherboards _x000D_ _x000D_ Only the above package content, other products are not included. _x000D_ Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_