Compatible Model:Mac Book Air, Mac Book Pro, iMac, and Mac mini with thunderbolt ports since 2011 are all supported.Mac Book Air, Mac Book Pro, iMac, and Mac mini or PC with mini display port are also supported.How to use:The product is easily and conveniently use, with three output ports:DVI VGA HDMI and a Mini Display Port.And you can use one of them at a time as your demand, when you want to use the DVI output, you just need to connect the DVI devices using a DVI cable. And when you want to use the HDMI output, you just need to connect the HDMI devices using a HDMI cable. When you want to use the VGA output, you just need yo connect the VGA devices using a VGA cable.The Mini Display Port meed to connect Mac Book, Mac Book Pro, or Mac Book Air.Note: You should assure that if your Mac has one of the following two kinds of port : mini DP port and Thunderbolt portWhat is included:1 x Mini Display Port Thunderbolt to DVI VGA HDMI Adapter cableThe HDMI can support audio output for iMac (Late 2009) and Mac Book Pro (Mid 2010)The adapter seamlessly connect Mac Book, Mac Book Pro, or Mac Book Air with a Mini display port to high definition displaysOnly one of the 3 outputs could be used at a time, you cannot use all of them simultaneously