Simple extensionsIB-CB005 is a HDMI® socket (female) to HDMI® socket (female) coupler to extend the cable length without loss of the high transmission quality. It ensures optimal transmission of HD signals with the connection of two HDMI® cables. You can easily plug this HDMI® coupler between 2 HDMI® cables. The HDMI® socket is processed in milimeter precision so that your HDMI® cables can fit it perfectly and thus the coupler will never slip. Enjoying HDThe HDMI® port can provide up to 4K that is a resolution of 3840x2160. It's very common in newer and larger monitors or televisions. As a bonus, HDMI® is able to transfer Audio. Precise manufacturingThe HDMI® jack millimeter processed so that your HDMI® cable is a perfect fit and the connectors therefore never slip. For the long distanceThe IB-CB005 safely connects two HDMI® cables to each other and provides an extension of the cable length without loss of transmission quality.