Connects a Mini DisplayPort equipped device to a 4K UHD HDMI display or projector Supports resolutions up to 3840x2160@30Hz Supports video mirroring and extended desktop modes Audio passthrough if supported by the video source 2 year warranty The Lindy Mini DisplayPort to HDMI Cable is ideal for connecting a Mini DisplayPort equipped source such as a PC or laptop to an HDMI display. Supporting 4K UHD resolutions up to 3840x2160@30Hz, this cable is ideal for ensuring video is displayed in superior clarity. This cable can also be used to add another display to extend the available desktop workspace and increase productivity, great for use in residential or workplace office setups. The Mini DisplayPort to HDMI Cable supports uncompressed 7.1 Audio and compressed Audio such as DTSHD Master Audio, Dolby TrueHD. Please note that audio output over HDMI is only supported when the graphics card of the laptop or desktop computer supports audio output over DisplayPort.