What is this?This product is a USB to DC plug cable, allows you to power an external 5V DC device through an available USB port on your desktop or laptop computer or mobile power through.What will I get?Product name: 5V USB to DC CableMaterial: PVC,Copper;Cable Length: 2 M / 6.6 Ft;DC Plug: 5.5mm x 2.5mm / 0.21 Inch x 1 Inch;Maximum current support: 3A;AWG: 22 AWGColor: White;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 3A. It is suitable for various devices that require 5V power, such as USB-HUBs, mini fans, LED lights, cameras, mobile phones, tablets, MP3 players, speakers, recorders, scanners, home phone systems, and more.How to use?Connect the USB end to a power source or device that provides a USB port.