LENTION Thunderbolt&nbsp;Mini&nbsp;DisplayPort&nbsp;to&nbsp;HDMI/DVI/VGA&nbsp;Adapter,&nbsp;Multiport&nbsp;Cable&nbsp;Converter&nbsp;Hub for&nbsp;Apple&nbsp;MacBook&nbsp;Pro&nbsp;Air Mac Mini&nbsp;iMac, Surface&nbsp;Pro 1 2 3 4 and More with Mini DP The adapter support HDMI, DVI or VGA input port, seamlessly connect Mac Book, Mac Book Pro, or Mac Book Air with a Mini display port to high definition displays. Three different ports meet your different needs. (One port at a time) HD signal and steady transmission; its nickel plating connector iswearresistance and not easy to be oxydated, which ensure the quality of effective signal and prolong its service life High quality and good durability, its high density of eco-friendly skin layer effectively shielding the external electromagnetic interference and with good heat dissipation effect. Portable and easy to carry; its compact design also allows unobstructed adjacent port access 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.