UGREEN 2 Pack HDMI Coupler 4K HDMI Adapter Female to Female HDMI Connector Support 3D 4K 1080P HDMI Extender for HDTV Roku TV stick Chromecast, Nintendo Switch Xbox One PlayStation 4 PS 3, Laptop PC 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