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, VR Headset and other audiovisual devices.HDMI supports standard, enhanced, or high-definition video plus standard to multi-channel surround-sound audio.The CDLHD-402 is a gold plated HDMI male to female extension cable.This product can be used to extend your current HDMI lead for an HDMI compatible device. This product is compatible with All Virtual Reality headsets allowing you more freedom to move around without the worry of pulling the HDMI cable out from over strecthing. Features- HDMI Ethernet Channel- Audio Return Channel- 3D- 4K Support- VR HDMI ExtenderSpecification- HDMI High Speed with Ethernet extension cable (v1.4)- A Male - A Female- Gold Connectors- 3 Mtr- 30awg