BlueRigger HDMI Female to HDMI Female Adapter Coupler (1 Unit) This HDMI to HDMI adapter is made to connect two male HDMI cables together Supports 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 Supports resolutions up to 4Kx2K (UHD) including 4096x2160, 3840x2160, 2560x1600, 2560x1440, 1920x1200, and 1080p Gold plated to resist corrosion and provide rigidity Limited Lifetime Warranty and US based Product Support