Stable transmission - Gold-plated connectors and tinned copper wires minimize signal loss and ensure stable transmission. Aluminum alloy shell, fast heat dissipation, prevent overheating. The non-slip design makes it easy to plug and unplug and avoid scratching the interface. 4K@60Hz & HDR- USB-C to HDMI Cable support high resolution up to 3840x2160@60Hz (4K@60Hz), backward compatible with 1080P, 1080I and 720P. Support Netflix, YouTube, Prime, Hulu. Please note the12" MacBook 2015 Only supports up to 4K@30Hz. NOTE: To view 4K@60Hz and HDR content, both of your input and output devices are required to support 4K@60Hz and HDR SUPERIOR STABILITY - Built-in advanced IC chip converts USB-C signal to HDMI signal; Please ensure the USB Type-C device support the USB Type-C DisplayPort Alt Mode. Gold plated DisplayPort connector resists corrosion and abrasion and improve the signal transmission performance; Molded strain relief increases cable durability Mirror & Extend Screen-This U