8K ultra clear HDMI HD cable factory version 2.1 TV computer projection set-top box cable HDMI cable 1. Product name: HDMI2.1 19+1 pure copper 8K*4K HD cable 2. Length 0.5m /1M/ 1.5m /2M/3M customized other specifications, standard pure copper 19+1, Injection molded housing: 3. In line with the production standard of HD line 2.1:19+1 tinned copper, tinplate environmental protection copper cymbals process 4 scope of application: large conference rooms, studios, advertising screen special cable all with HDMI interface equipment, can use HDMI cable connection, 5. For example :DVD player connected to HDTV, projector HD player, computer with HDMI port connected to HDTV, projector, PS3 connection. 6. Resolution up to 7680X4320@144HZ.