2M HDMI 2.1 8K HD Cable Connecting TV Computer Projector Video Cable 1. HDMI protocol: HDTV 2.1 (backward compatible) 2. Resolution: 7680 x 4320P 3. Total bandwidth: 48Gbps 4. Refresh rate: 8K60Hz, 4K120Hz, etc. 5. Core material: copper-clad steel 6. Outer: PVC 7. Interface: gold-plated Features: 1. Supports refresh rates like 2K144Hz, 1080P240Hz. 48Gbps total bandwidth enables Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM) technologies to synchronize display devices with gamingvideo content changes and refresh rates, delivering smooth, detailed visuals 2. 7680 x 4320 resolution delivers four times the clarity of 4K and 4.3 times the human eyes resolution limit. No graininess even at close range; no distortion when zoomed in 3. Enhanced eARC (enhanced Audio Return Channel) and QMS (Quick Media Switching) ensure faster image-sound synchronization for more immersive surround sound 4. Dynamic HDR technology adjusts color and brightness in real-time based on scene content, delivering vibrant highlights and detailed shadows for more accurate representation of subjects 5. Compatible with output devices featuring standard HDTV interfaces for connecting to display equipment