The HDMI to HDMI features the golden Plated connector. 
This HDMI can connect and extend you HDMI cable. If the length of your existing HDMI cable is not enough, with this new connector, you don't need to buy a long HDMI cable. 
You just have to use this connector to connect two short HDMI cable to a longer one. Size of the HDMI Male to HDMI Female Adapter: 3.3cm long ( at the longest ), 1.8cm wide ( at the widest ),1cm high ( at the hightest ). Approx. 1 x HDMI Adapter