The Bandridge BAL3700 has nickel plated contacts which ensure sound reproduction the easy grip moulded connectors guarantee firm connection and perfect signal transmission. The copper braiding shielded ensure no EMI/RFI interference for excellent audio performance it has signal coded color rings on connector. Technical Specifications: Connector 1 : 3.5mm Male. Connector 2 : 6.3mm Female stereo. Cable Length : 0.2m.