Description:Made of plastic and metal material, this 3 Poles 5.5mm x 2.1mm PCB mounting socket will be an item to replace the broken 5.5mm x 2.1mm PCB socket.Application to Media Player, MP3 Player, MP4 Player, Audio-Video Equipment, AV Equipment, Note Book, Cellular Phone, Mobile Phone, Cell Phone, Smart Phone, PDA, Car Audio etc. Specifications:Dimension: 12 x 10.5 x 10.5mm / 0.47 x 0.41 x 0.41inch (L*W*H)Connector Type: 5.5 x 2.1mmPin: 3 Pin Package Contents:10pcs x PCB Mount DC Connector