4K@60Hz HD transmission via HDMI 2.0. Protection with four shielding layers, no splash screen, and no delay. Stable signal transmission, gold-plated plug, anti-oxidation, and resistant to frequent plugging and unplugging. Long battery life, tensile and wear resistance, and braided nylon. The aluminum alloy shell is anti-wear and scratchproof. broad range of applications and compatibility with multiple HDMI devices. audio and video output that is synchronized. Length: 2 meters