This plug jack adapter cable connects the DC output of a electronics (5.5mm x 2.5mm ) with a USB Type C PD charger port. USB C to DC is powered or charged through a standard type-c plug/adapter and is suitable for various small chargers, such as routers, fiber optic modems, cameras, TV boxes, lamps, optical modems, speakers, fans, cameras and other devices, as well as various power tools such as electric screwdrivers, making your use process more convenient.