3-IN-1The Cobra Appearance Multi-Function Thunderbolt Mini DisplayPort DP To HDMI VGA DVI Cable Converter Adapter For MacBook Pro Air,Note: Only supports 1 display output connection at a time A separate HDMI/DVI/VGA cable is required, not included, Not compatible with Thunderbolt 3 (USB-C) ports Support Mini Display Port 1.1a Dual-mode input.Gold Plated Connector,Mini DisplayPort is NOT compatible with Macs (before 2008) that have Mini-DVI. Please check your port before purchase The HDMI can support audio output for iMac (Late 2009) and Mac Book Pro (Mid 2010),Macs made before 2010 are NOT able to output audio over Mini DisplayPort. More info and then check the Model Identifier field in Hardware Overview