metal material silver tone 2.1 mm x 5.5 mm DC socket power plug Audio Connector. Made of duarable metal material it is a good replacement for old and damaged ones. Application to Media Player MP3 Player MP4 Player Audio-Video Equipment AV Equipment Note Book Mobile Phone Smart Phone PDA Car Audio etc. Easy to handle you really don't have to be a professional to do this. Just insert the cables in the holes twist and lock in place and only then solder. DC Barrel Power Plug Using Positive and negative soldering More convenient to use; And the longer side is negative the shorter side is postive.

Package Contents: 5x DC Power Jack Sockets