Topoint 3 in 1 Mini Displayport DP Thunderbolt to HDMI DVI VGA Adapter Converter Cable for MacBook Air, Old MacBook/MacBook Pro Before Mid 2015 Please note that this adapter don't compatible with the 2016/2017/2018 MacBook/MacBook Pro and newest MacBook Air 2018, as they with USB Type C port(thunderbolt 3) only. And don't compatible with iPad & iPhone. Support the MacBook Air(except of MacBook Air 2018), old MacBook/MacBook Pro before Mid 2015, as only these laptops with the thunderbolt 2(Mini DisplayPort compatible) The HDMI can support audio output for iMac (after 2009) and Mac Book Pro (after mid 2010). Support HDMI/DVI/VGA output with the max resolution of 1920x1080p@60Hz, 225MHz/2.25Gbps per channel (6.75Gbps all channel), 12bit per channel (36bit all channel) deep color(Note: the DVI output of this adaptor is DVI-D port Standard) Mini Displayport, with this line, you can replace the mini DP to DP; mini DP to DVI; mini DP to HDMI three lines, economical and convenient. When Work, only one single interface display, not 3 Triple Interface both display Automatic detect the display by plugging and unplugging it. Powered from Mini Display Port source