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Power devices from a USB port.
For small electronics and devices which use a 5.5 mm barrel jack for a power cable.
Provides 5V DC from USB.
Cable length: 1 m / 3 ft
Type A Male USB plug to 5.5 mm(outer), 2.1 mm (inner) male coaxial/barrel plug
Adapt your USB port with this cable so you can power small devices and electronics that use a DC barrel plug with 5.5 mm outer diameter and 2.1 mm inner.