BlueAVS 8K ultra high speed HDMI 2.1 fiber optic cable fully meets your requirements.

Support the new features of HDMI 2.1 such as Dynamic HDR10, eARC, ALLM, QFT, QMS, VRR, BT. 2020, 4:4: 4 RGB, 12-bit color. HDCP 2.2, Dolby TrueHD, Dolby Atmos etc.

Perfectly supported under 8K@60FPS, 4K@120FPS & up to 10K resolution for long distance transmission.

Specification:

Bandwidth: 48Gbps
Resolution: 8K@60FPS 4K@120FPS
New features of HDMI 2.1: Dynamic HDR10, eARC, ALLM, QFT, QMS, VRR etc.
Cable diameter: 4.8 mm
Bending radius: 1cm
Easy to use, plug and play, no external power needed
Backward compatible with earlier versions of HDMI
Compatible with latest HDMI 2.1 devices (not full list):

LG CX C9 B9
Sony X900H Z8H
Samsung Q80T Q90T
Nvidia RTX 3080/3090
Xbox Series X
PS4/5
Notes:

The cable is single way, a Source plug for connecting HDMI sources devices(Blu-ray, AVR, PS4/5, STBox ); And a Display plug to connect a HDMI display devices( TV, Projector etc).
Test the cable several times before installing it in the wall.
Try not to use HDMI extender, splitter, switch, there may be compatibility problems.