VONOTO 2Pack HDMI Female to HDMI Female adapter couple - HDMI Female to Female F/F connector 3D & 4K Resolution-Ready Supports 4K UHD resolution and 3D Gold plated connectors provide rigidity and resist corrosion Compatible with HDMI Male Cables Transfer digital audio & video signals at warp speed of 5 Gigabytes per second. HDMI Couplers extend the distance of your existing HDMI cable by allowing two cables to be coupled together