【8K Fiber Optic HDMI 2.1 Cable】HDMI 2.1 cables are made of optical fiber material, encased in nylon, antiinterference and durable. supports 8K@60Hz, 4K@120Hz HD display, using optical fiber HDMI cable to transmit signals can be farther, safer and stable. 【Ultra High Speed 48Gbps HDMI】The 8K Fiber Optic HDMI 2.1 Cable is capable of high speed transmission with 48Gbps bandwidth for better visual experience. Backwards compatibility with all HDMI versions including HDMI 1.3/ 1.4/ 2.0/2.1,4K / 8K, and support high speed 8K 48Gbps transmission. 【Smart Chip, One-way Transmission】Active HDMI to HDMI cable male to male port, is a one-way transmission, from the "source" to "display ", please check the direction before use. 【Widely Applicable】Fiber Optic HDMI 2.1 cable supports Dynamic HDR10,eARC,ALLM,QFT,QMS, VRR,BT.2020, 4:4:4 RGB, HDCP 2.2/2.3. Suitable for all HDMI devices - Blu-ray players, PC, AV receiver, HDTV, laptop, monitor, projector and more. 【Service Support】 Kmrlim is a brand that specializes in the production of HDMI cable cables we are committed to providing quality products and services for customers. within 2 years, if you find any quality problem with Kmrlim cable, please contact us to resolve it. Ultra High Speed HDMI 2.1 Cable: Meets the newest standard HDMI 2.1 Version, HDMI cord is also backward compatible with HDMI 2.0b/2.0a/1.4/1.3/1.2/1.1 version. Supports 8K Video: This Fiber Optic HDMI Cable supports 8K@60Hz, 4K@120Hz, 2K, 1080P, 48Gbps bandwidth, and new features such as eARC, VRR, QMS, ALLM, and more。 Universal Compatiblility: The Certified 8K hdmi cable is compatible for many HDMI devices, such as HDTV, Laptop, Monitor, PS5, Xbox, Projector, Sound/Video Conference System, Blu-ray players, and more.