【8K@60Hz & 48Gbps】: BIFALE 8K Fiber HDMI Cable support 8K@60Hz,4K@120Hz, 48Gbps, HDCP2.2, 4:4:4, 16bit. The transmission rate and resolution of HDMI 2.1 is higher than HDMI 2.0. Backward compatible with 2.0, 1.4v ★please make sure your devices support 8K. 【HDR-10 & eARC】: Our 2.1 fiber optic HDMI cable run HDR10 and Dolby Vision, enhance every moment values for depth, detail, brightness, support VRR/QFT/QMS/ALLM/eARC and VESA DSC 1.2a. Multi-transfer will result in HDMI signal loss. 【Single Way & BT.2020】: BIFALE 2.1 HDMI fiber optic cable is one-way transmission SOURCE plug for connecting HDMI source(Blu-ray, STBox etc.) DISPLAY plug for connecting your HDMI display device(TV, cinema projector, etc.). Plug and play, support BT.2020. 【Thin and Flexible & 7.1】: Thin and flexible, OD 0.189 inch (4.8mm). Due to connector is very delicate, do not pull or impact the connector. Compatible with Apple TV, Nintendo Switch, Fire TV, Roku Stick Player, Xbox, Playstation, PS3, PS4 Pro,etc. Truely support HD Dolby 7.1 and DTS-HD Master Audio and Dolby Atmos. 【Warranty】Providing 5 years warranty, please feel free to contact us if quality issue.