"HIGH SPEED PROFESSIONAL 4K HDMI CABLEOptimize display settings through real-time signaling and elevate audio experience through surround sound capabilities. Increase interference protection and decrease the number of cables needed to ensure a reliable connection and shorter buffering times SPECIFICATIONS- 4K x 2K HDTVs (3840p horizontal x 2160p vertical) & (supports 720p, 1080i, and 1080p)- 18.0 Gbps Transfer Speed- 24 - 48 Bit Color Depth- 21:9 / 4:3 / 16:9 Video Aspect Ratio- Refresh rates of 3840x2160 @ 24Hz/25Hz/30Hz and 4096x2160 @ 24Hz/50Hz/60Hz (50/60 fps) (1080p @ 240 Hz)- Visual: Seamlessly links 4K electronic equipment (set-top boxes, A/V monitor displays, game consoles, Nintendo Switch, Apple TV, Roku TV, Amazon Fire TV, etc.)- Audio: 5.1/7.1 lossless Dolby TrueHD and DTS-HD master audio bitstream- Audio Return Channel & Ethernet Ready to eliminate extraneous cables- Up to 32 audio return channels enable Pro upstream audio connections- Simplifies audio connection & eliminates unnecessary cables- 24k Gold Plated connectors with aluminum housing; Corrosion resistant- ATC Certified (Worldwide HDMI Organization)"