This 0.5-meter High Speed HDMI cable has been tested in accordance with the Premium HDMI Cable Certification Program | This ensures it's able to deliver the newest technical features that the latest HDMI specifications have to offer, including enhanced resolutions and protection against EMI interference | Each of our certified Premium High Speed HDMI Cables is labeled with unique anti-counterfeiting authentication, so you can be confident that you have received a genuine certified cable | Up to 32 audio channels with 1536Hz sampling rate