Generic USB to 5.5 mm/2.1 mm 5 Volt DC Barrel Jack Power Cable
Adapt your USB port with this cable so you can power small devices and electronics that use a DC barrel plug with 5.5mm outer diameter and 2.1mm inner. (Consult your device's manual or manufacturer for this info.) Cable uses the 5V DC from the USB port. Length: 1m / 3ft.