HDMI is a specification that combines video and audio into a single digital interface for use with DVD players, digital TV players (DTV), set-top boxes, and other audiovisual devices. HDMI supports standard, enhanced, or high-definition video plus standard to multi-channel surround sound. Product information: 100% and high quality HDMI male-to-female extension cable Length: 15cm/30CM OD: 5.5mm Core: pure copper 14 + 1 (0.3m also has copper-plated steel) Connector: Copper-plated Product features: Technical indicators: Supports 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, rear 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 Package includes: 1 * HDMI male-to-female extension cable