USB to DC 5V 9V 12V Adapter Connector for Router Speaker Mini Fan HUB

(DC plug: (5.5x2.1) (5.5x2.5)) (3.5x1.35) (4.0x1.7) (6.0x4.0) ( 6.3x3.0 )(4.7x1.7)(5.5x1.7).

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