HDMI 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. Product Information: 100% and high quality HDMI male-to-female extension line Length: 15cm/30CM OD: 5.5mm Core: pure copper 14 + 1 (0.3m also has copper clad steel) Joint: Copper plated Product characteristics: Technical Indicators: Support HDMI 1.4 mode, 1080P and downward compatibility 1.0, 1.1, 1.2A, 1.2B mode It is mainly used for video and audio signal transmission of plasma TV, LCD TV, back projection TV, projector, DVD machine, projector, D-VHS recorder, digital camera, projector and digital video and audio display equipment. Purpose:Suitable for computer, TV, projector, set-top box voice signal connection Packaging includes: 1 * HDMI male-to-female extension line