Aurum Cables Pack of 3 HDMI Adapters (Female to Female) - Black - 3 Pack Pack Of 3 HDMI Female Couplers - Black These female to female HDMI couplers extend the distance of your existing HDMI cable by making it possible to add another HDMI cable to it. They are fully compliant with the latest HDMI standard and are capable of carrying the increased bandwidth of HDMI 2.0 at 18 Gbps. They support Audio Return Channel (ARC), 48 Bit Deep Color, 32 channel audio, HDCP, Dolby True HD 7.1 audio, HDMI Ethernet Channel (HEC), and 3D video They support resolutions up to 4Kx2K (UHD), and other resolutions, including 4096x2160, 3840x2160, 2560x1600, 2560x1440, 1920x1200, and 1080p