Fiber Optic HDMI Cable is One Direction Transmission, It must be installed in the correct direction: The Cable with "Source" plug for connecting HDMI Out devices(Blu-ray player, Xbox one etc.); "Display" plug for connecting your HDMI display devices(TV, Projector,Monitor etc.). And please make sure your devices support 8K.
Specifications:
Item: 8K optic fiber HDMI 2.1 cable
Version:HDMI 2.1
Connector Material: Oxygen-free zinc alloy
Diameter:4.8mm
Interface: HDMI
Bandwidth: 48 Gbps
Colour Gamut:BT 2020
Transmission: 12 Bit
Standard: 8K@60Hz 4K@120Hz
RGB: 4:4:4
Power Consumption:250MW
Resolution: 7680*4320
Performance: HDR/eARC/UHD/HDC2.2/3D
48Gbps bandwidth for latest features HDR, HDCP 2.3/2.2, compatible with Dolby Atmos Vision.