TOOGOO(R) Premium GOLD Series HDMI Female/Female Coupler - 10 Pack Convert an HDMI male interface into HDMI female Extend your HDMI devices by connecting 2pcs HDMI male to male cables together With gold-plated connectors that resist corrosion while offering optimum signal transfer Support Audio Return Channel, HDMI Ethernet Channel and 3D Support resolutions up to 4Kx2K