Sturdy HDMI 2.1 certified cable: The UGREEN HDMI 2.1 cable has a certification code that can be checked and is attached to the package. Because of its armor nylon and all-metal port, this 8K HDMI cable is more durable than any other braid cable and will never break. 60Hz, 8K FUHD: The UGREEN HDMI 8K cable is compatible with 8K 50Hz, 4K 120Hz, 4K 100Hz, and other frequencies, and it supports a higher resolution of 8K 60Hz. 48 Mbps Super High Speed: Compared to HDMI 2.0 and HDMI 1.4, this 8K HDMI 2.1 cable can support up to 48Gbps of bandwidth, which is significantly faster. Dynamic HDR: Dolby Vision HDR, HDR 10+, and other HDRs are supported by the UGREEN hdmi 8k cable HDR, which gives you a more vibrant image. Additionally, this 8K HDMI cable supports eARC.