Fiber Opti Hdmi Cables C 65Ft, 8K (Hdmi 2.1,48Gbps) Ultra High Speed Hdmi, Male ?8K Fiber Optic HDMI 2.1 Cable?: supports 8K@60Hz, 4K@120Hz HD display. HDMI 2.1 cables are made of optical fiber material, more antiinterference. Using optical fiber HDMI cable to transmit signals can be farther, safer and stable. Long fiber optic HDMI cableshome wiring and company meetings will not reduce your clarity and smoothness. ?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?: DGHUMEN is a brand that specializes in the production of HDMI cable cables we are committed to providing quality products and services for customers. 2 years warranty, please feel free to contact us if you have any questions.