General description DC Power Connector is a 5.5 x 2.1mm Female to Female coupler adapter designed for connecting DC power extension cables to existing power supplies without the need for cutting or splicing wires. This product is easy to install and is made from durable metal and plastic materials, featuring a sleek black color. Technical specifications Type: 5.5 x 2.1mm Female to Female Material: Metal, Plastic Color: Black Usage This connector is widely used for various small electronic appliances and auto parts, including: Media players MP3/MP4 players Audio-video equipment AV equipment Notebooks Mobile phones Smartphones Car audio systems Other information Package Includes: 3 x 5.5 x 2.1mm Female to Female DC Power Connectors