What is this?This DC converter connector is a USB to DC plug cable, allows you to power an external DC device through an available USB port on your desktop or laptop computer or mobile power through.Pure copper nickel-plated terminals are corrosion-resistant and rust-proof, more resistant to insertion and extraction, and have a longer service life.What will I get?Product Name: 5V USB Male to DC CableMaterial: PVC,Oxygen-Free Copper;Cable Length: 1m/3.3ft;DC Plug: 5.5mmx2.1mm/0.22×0.08 inch;Conductor: 24 AWGCable Diameter: 3.5mm/0.14 inch;Maximum current support: 2A;Color: Black;In the package of: 2 Pcs x USB to DC CableAre there any advantages of the product?The USB cable supports an output of DC 5V and can handle a maximum current of 2A.