Displayport to HDMI This displayport to HDMI cable is uni-directional signal transmission not bi-directional. It works only for converting from displayport source equipped computer to an HDTV monitor or projector with HDMI input4K High-Resolution Supports video resolutions up to 4k @ 30 Hz and 1080p (Full HD) with fast data transmission for uncompressed digital audio channels ( 7.1 5.1 or 2)Audio & Video Sync Transmission Support both high-definition audio and video pass through from your computer to an HDMI input for video streaming or gaming. Suitable for extended or mirrored modePremium Quality Made of durable 20ft nylon-braided wire body with aluminum case and gold plated metal jacket connector to ensure stable signalsSeller Guarantee We promise lifetime 100% money back warranty with prompt customer service.

If you are not completely satisfied you can return it for a full refund.