Specification:Model:PJ-320DType : 3.5mm SocketDimension: 14.1 x 8.5 x 5mm(L*W*H)Pin Quantity: 4Voltage: 30VCurrent: 0.5APower: 1W Package Content: 15pcs x 3.5mm Audio Jack PCB Mount Connector Description:Made of plastic and metal material, in silver tone and black color.This 4 pins 3.5mm PCB mounting socket will be an good item to replace the broken 3.5mm 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,etc. .