Mini Display Port to HDMI cable extends or mirrors an Ultrabook, laptop or desktop computer equipped with a Mini Display Port to a monitor projector or HDTV with an HDMI port. Transfer UHD audio and video from your computer to your TV more easily. The Mini DP to hdmi cable supports HD video and audio transmission up to 4K, so you can watch live HD on the big screen with your family! Please note that it can only convert signals from Mini DisplayPort to HDMI. this is not a bi-directional adapter.