USB 2.0 A female connector to 5.5x2.1mm DC power female connector is mainly used for power interface conversion. The general output voltage of computer USB interface is 5V. Please pay attention to whether the voltage of DC interface products is consistent. If it is not consistent, it cannot be used under normal circumstances.
Provide 5V DC from USB, power supply from USB to 5521 port.
Suitable for small electronic devices and devices that use 5.5 * 2.1mm barrel jacks as power connectors.
Package includes:4 pcs USB power adapter DC5.5*2.1 female to USB female adapter
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