Cable Matters Retractable HDMI Cable with HDR & 4K Resolution Support 3.5 Feet TANGLE-FREE HDMI cord connects a computer, media streamer, or Blu-ray player to an HDTV, monitor, or projector with HDMI; Simply pull on both ends of the cable to unwind to the ideal length and then pull the ends again to rewind RETRACTABLE HDMI smooth ribbon cable retracts from 43 inches to 3 inches for tossing in your laptop bag; Provides connectivity on the road in a conference room, classroom, hotel room, or an RV 4Kx2K VIDEO SUPPORT for resolutions up to 4Kx2K (UHD) including 4096x2160, 3840x2160, 2560x1600, 2560x1440, 1920x1200, and 1080p HIGH SPEED HDMI wire with Ethernet supports Audio Return Channel (ARC), HDMI Ethernet Channel (HEC), 48 Bit Deep Color, 32 channel audio, Dolby True HD 7.1 audio, and 3D video; HDCP support for viewing content protected video SMALL AND STURDY travel companion A/V cable weighs only a few ounces; Cable management reel folds into a 3-inch spool for easy transport and storage; Molded connectors have easy-grip treads and strain relief for frequent use and long life