HDMI (High Definition Multimedia Interface) is a specification that combines video and audio into a single digital interface for use with DVD players, digital television (DTV) players, set-top boxes, and other audiovisual devices.

HDMI supports standard, enhanced, or high-definition video plus standard to multi-channel surround-sound audio.

The CDLHD-301A is a gold plated HDMI male to male cable that connects a UHDCloseUltra High Definition (UHD) is the resolution 3840x2160 pixels. What this means is that there are more pixels per inch (PPI) in a UHD display than a FHD (Full High Definition 1920x1080) display. This gives a higher resolution display device such as a Blu-Ray player to a UHDCloseUltra High Definition (UHD) is the resolution 3840x2160 pixels. What this means is that there are more pixels per inch (PPI) in a UHD display than a FHD (Full High Definition 1920x1080) display. This gives a higher resolution display display screen.