12V Voltage Step-Up USB to 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable...

【conductor specification】: 17 0.14TS. 【conductor material】: tinned copper. This USB adapter cable allows you to power most 3-pin and 4-pin computer fans from a USB type A port. 【Product interface】: One end USB 5V input, the other end computer fan 4Pin output.

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