About this item·You must use the HDMI USB cable that comes with the HDMI box to connect any 5V USB port or any 5V USB adapter except on the hub. Why do we need to use this HDMI USB cable? Some HDMI ports, such as those found on a HUB, a SWITCH, or a splitter, do not provide enough power. As an active cable, HDMI fiber optic cable requires sufficient power for operation. Please connect the fiber optic HDMI cable to the HDMI USB cable and then to the HUB SWITCH or Splitter.· And fiber optic HDMI cable is directional. The directional HDMI means that the source end of HDMI is required to connect to sources (must plug this end to HDMI output from a source like DVD/computer/PS5/Xbox...), while another end displays to your monitor, TV, or projector. · 48Gbps bandwidth for latest features HDR, HDCP 2.3/2.2, compatible with Dolby Atmos Vision, Dynamic HDR, ALLM, QFT, QMS, VRR. It also supports ARC and EARC.· Backward compatible with 4K144hz, 4K120hz 4K60hz 2K165hz 2K144hz 2K120Hz 2K75hz 2k60hz 1080p240hz 1080p144hz 1080p60hz. Backward compatible with HDMI 2.1 2.0b 2.0a 1.4b versions· Compatible with PS5, Xbox Series X, LG CX C9 B9, Sony X900H Z8H, Samsung Q80T Q90T, Nvidia RTX 3080 3090 4070 4080 4090.Kind reminder.Most 4K/8K TVs do not have all the features of HDMI 2.0/2.1 enabled. You must activate all HDMI 2.0/2.1 features in the TV settings.​It is necessary to use the HDMI USB cable that comes with the HDMI box to connect any 5V USB port or any 5V USB adapter except on HUB. Why do we need to use this HDMI USB cable?Since some HDMI slots, such as on HUB or Splitter, cannot provide enough power for the fiber optic HDMI cable. The fiber optic HDMI cable is active. It needs enough electricity to work effectively. Please connect the fiber optic HDMI cable to the HDMI USB cable and then to the HUB SWITCH or Splitter. And fiber optic HDMI cable is directional. The directional HDMI means that the source end of HDMI is required to connect to sources (must plug this end to HDMI output from a source like DVD/computer/PS5/Xbox...), with the other end displayed on your monitor/TV/projector. Please kindly make sure to understand these instructions before you choose our fiber optic HDMI cable.8K 4K Fiber Optic HDMI 2.1 Cable...

• Capacity: 8K 4K
• Color: Black
• Length: 100M 200M 300M
• Wire Guage: Copper
• Weight: 10KG
• Certificate: CE ROHS FCC REACH
• Manufacturer: BONMA ISO9001