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Accord with HDTV 2.0 Ification Requirement Adopting The Standard Of Crude Copper19+1 Wire Core+ground wire Supports dual Screen Display And 4 Voice Signal Streams 24k Gold-plated Connector,aluminum Alloy Housing,can Maintain Accurate Auxiliary And High Durability PS4/blu Ray/projector/set-top Box/HD TV..all Applicable 1.5 M