The j5create's Mini DisplayPort to 4K HDMI adapter JDA159 allows you to quickly and easily connect your Mini DisplayPort supported Mac or PC to a 4K HDTV or other display device using an HDMI input. First connect the j5create Mini DisplayPort to your computer. Then plug your existing HDMI cable from your display into the Mini DisplayPort adapter. Compliant with both DisplayPort 1.2 and Thunderbolt 2 j5create's Mini DisplayPort quickly converts the DisplayPort video signal into an HDMI signal.