4K HDMI Cable HDR Video: UltraHD 4K provides you with crisper image using 4 times more pixels than standard Full HD (1080p). High Dynamic Range (HDR) delivers brighter, more realistic colors and greater detail. From the latest movie to your favorite TV show, every image looks more lifelike than ever. Backward compatible with 2K, Full HD 1080p, and HD 720p.High-speed 18Gbps HDMI Cable: Up to 18Gbps high-speed transfer for true 4K video at up to 60fps and maximum 4:4:4 color depth. Supports HDCP 2.2.Surrounding Audio & ARC: Supports DTS-HD and Dolby audio that delivers immersive surround sound for your compatible sound systems. Audio Return Channel (ARC) allows your TV to send audio to an external audio system, which provides a cinematic home theater experience. Watch your favorite film at home immersively as if you’re sitting in a cinema.