One Way Work : YOTETION Fiber Optic HDMI Cable should be connected in the direction where there is SOURCE/DISPLAY printed. The SOURCE plug connect streaming devices such as Apple TV, Roku Ultra, Fire TV, PS5 etc. The DISPLAY plug connect display devices such as TV, projector, monitor, sound bar etc. Excellent resolution: Cable image quality offers the latest viewing technology, 48Gbps bandwidth, and up to 10K resolution. Supports resolutions of 2K@144Hz, 4K@120Hz, 8K@60Hz, 8K@120Hz, 10K@30Hz, 10K@60Hz, 10K@100Hz, 10K@120Hz. Note: 8K@120Hz and 10K@120Hz require HDMI sources and displays to support DSC (Display Stream Compression), according to the HDMI 2.1 specification. Widely compatible: This 48Gbps ultra-fast HDMI 2.1 cable supports HDR, DTS-HD, HDCP 2.2 and 2.3, Dolby Vision, IMAX Enhanced, Dolby Atmos, Dynamic HDR, eARC, 3D video display, and more. Easy to use: Optical fiber HDMI cable is a one-way transmission "source" plug for connecting HDMI sources (Blu-ray, STBox, etc.) display plugs for connecting HDMI display devices (TVs, projectors, etc.). Plug and play, no external power supply required. High-quality after-sales protection： We provide free replacement of goods within one year of quality problems, you have any questions, please feel free to contact our customer service YOTETION 8K HDMI FIBER OPTIC CABLE:

Precautions for use: Although this HDMI fiber optic cable supports hot plugging, it is recommended to turn off the power of the device for plugging and unplugging.

When not shutting down, plug in the "source" end first.

In most cases, you can directly replace the original ordinary HDMI cable.

For some displays, turn on Enhanced Mode or Game Mode or Advanced Mode, or select HDMI Dark.

Start by closing Dolby Vision for testing.

Change the graphics settings to Variable refresh rate if this option is available.

When the TV is connected to the AVR receiver and does not work, confirm that the HDMI cable is connected to the HDMI ARC/eARC port of the receiver,

and then enable the ARC (eARC) function in the TV settings. Note: Select the correct input source in the device settings.

Free switching saves your time by taking care of both learning and entertainment

Easily expand your screen for a greater display effect

Enjoy your game time, perfect picture quality and sound

Supports ultra high speed transfer rate up to 48Gbps.

It is 2.5X the Bandwidth of HDMI 4K 2.0 cables.

much faster than HDMI 2.0 and HDMI 1.4. Supports Dynamic HDR