? Quality Warranty?Leadstar 4K HDMI Cable 60 ft can offer replacement if it doesn't work within 12 months,please contact us for help via if any problem related to this HDMI 2.0 cable,we will help you within 24 hours. ?Compatible HDMI Device?Widely compatible with all HDMI devices:such as Set - top box, DVD player. ? improvement HDMI 2.0 cable ? This HDMI Cable meets the latest standard HDMI 2.0 Version,It has been tested for many times on many hdmi devices and certified,Perfectly fit for all devices with HDMI 2.0 standard as well as compatible with previous HDMI 1.2,1.3,1.4,1.5,1.8,2.1.It's a good choose for advanced work and entertainment,It can provide a stable and high quality picture image to improve and guarantee the work efficiency and the visual effect of watching movie at home. ?High Speed? Our HDMI Cord Supports high dynamic range imaging (HDR) video transmission bandwidth of up to 18 GBPS 4 k @ 50 and 60 / (2160 p),The Video resolution clarity is four times as 1080P/60 Video resolution clarity,Up to 32 audio channels for multidimensional and immersive audio experience,CEC extensions provide more extension commands and control of consumer electronics devices through a single control point. ?High Quality HDMI Cable ? Durable nylon-braided with a bend lifespan of 10000+, Pure copper core manufacturing; Built with gold-plated connectors,and top American chips to ensure high-speed and flawless signal transmission.