Yantop Mini DP DisplayPort Thunderbolt Cable 1. Mini Displayport The adapter can seamlessly connect Mac Book, Mac Book Pro, or Mac Book Air with a Mini display port to high definition displays. 2. Support HDMI, DVI or VGA port You can connect the display to one of HDMI/DVI/VGA output ports. 3. Support audio output. When connecting the iMac (Late 2009) and Mac Book Pro (Mid 2010) to HDMI display, please set Sound on the dialog box of System Preferences to get audio output Note: Only one of the 3 outputs could be used at a time, you cannot use all of them simultaneously