100% brand new and high qualityThis digital optical audio cable connects all stereo or home theater system that comes with optical connectorsUse it to connect your DVD,Mini Disc,DAT,CD or other devices equipped with optical connectorsfor great clearity and details of music and sound.Compatible with CD/DVD,MiniDisc Players/Recorders,whatever devices that includes optical connectorsCan be installed in-wallOuter cable diameter:5.0mm