This "Type D" connector still contains the full 19 pin array like other full size HDMI connectors yet packs it into a much smaller form factor. The new Micro HDMI version "Type D" cable can handle digital video signals up to full 1440p HD from your handheld devices such as cell phones, pocket cameras, and other portable devices.
HDMI Ethernet Channel HDMI Ethernet Channel technology consolidates video, audio, and data streams into a single HDMI cable, combining the unmatched signal quality and convenience of HDMI connectivity with the power and flexibility of home entertainment networking.
Audio Return Channel Allows an HDMI-connected TV with a built-in tuner to send audio data "upstream" to a surround audio system, eliminating the need for a separate audio cable. 4K Resolution Support 4K is shorthand for 4,000 lines wide by 2,000 lines high, or roughly four times the resolution of a 1080p display.