Supports PC resolutions up to 1920x1200 and HDTV resolutions up to 1080p. Easy to use cable, no software required. Compatible with Intel® ThunderboltTM. Ideal For: HD Video/Photo Playback Streaming Media Viewing Documents Sharing Content with Friends/Family The Mini DisplayPort is only found on newer models of Macs. You should check what port type you have before purchase. Mini DisplayPorts dating before April 2010 do not support audio out and will not transmit sound. Viewing your MacBook on your HDTV doesn't get any easier. Simply, plug the Mini DisplayPort end into your Mac®, and connect the HDMI end to an HDMI (Type-A) cable, then plug the cable into your HDMI input jack. Your photos, your videos, your presentations, your games - view them all in HD on the big screen. The Mini DisplayPort adapter will need to be used with an HDMI cable (sold separately). Apple Computers with Mini Display Port: MacBook, MacBook Pro, MacBook Air, and Mac Mini. Also, works with Mac computers that have Thunderbolt.