This Mini HDMI to HDMI Dongle Adapter is a great addition to your existing HDMI Adapter Ring - an easy and convenient solution for connecting a mini HDMI port to an HDMI enabled device in your home or office. This adapter carries a digital video signal, supporting up to a 4K resolution and meets the requirements for high performance applications. Avoid frustration by simply plugging the adapter into your computer, then attach it to the existing HDMI cable from your monitor or projector. The portable, compact design also makes it easy to carry in a laptop bag when traveling or on the go.