OCC 6N hifi HIFI Single Crystal Copper 4.4mm Balanced Male to 4.4mm Balanced Male Audio Adapter Cable 4.4mm Male to Male Adapter Connector:2x 4.4mm Balacned Male Cable: 6N OCC Single crystal copper Color for the connectors:Show picture OCC unit crystal copper is a twisted balance type cable with OCC copper conductor. In addition to Polyethylene insulation as a dielectric. 7N unit crystal copper features both unique solid OCC copper materials & fine OCC copper strands twisted with the individual teflon insulation, and Air PE tube structure. package :one piece Cable Length:10cm,0.5m,1m,2m if you need a different length please contact me. Please contact us,to negotiate! Cooperation Happy!!! We sincerely hope you will like it when you receive the item.