Cable Matters 2-Pack, Swivel HDMI Male to Female Adapter The swivel HDMI couplers extend the distance of your existing HDMI cable and relief the strain on HDMI cables Fully compliant with the latest HDMI standard, these swivel HDMI cable couplers are capable of carrying the increased bandwidth of HDMI 2.0 at 18 Gbps Support Audio Return Channel (ARC), HDMI Ethernet Channel (HEC), 48 Bit Deep Color, 32 channel audio, HDCP, Dolby True HD 7.1 audio, and 3D video Support resolutions up to 4Kx2K (UHD) including 4096x2160, 3840x2160, 2560x1600, 2560x1440, 1920x1200, and 1080p Convenient and cost-effective 2-pack swivel HDMI inline couplers provide spare or replacement units for different equipments. Gold plated connectors resist corrosion and provide rigidity