CABLEDECONN Multi-Function Thunderbolt Mini Displayport to HDMI DVI VGA 3in1 TV Av HDTV Adapter Cable Converter 1080P White Support thunderbolt Mini Display Port 1.1a Dual-mode input.Not compatible with Thunderbolt 3 (USB-C) ports The HDMI can support audio output for iMac (Late 2009) and Mac Book Pro (Mid 2010),More info and then check the Model Identifier field in Hardware Overview.When connect to monitor ,audio will not pass through the adapter to the HDMI/VGA/DVI monitor (a speaker is needed to get audio out );When connect to TV, only HDMI port can have audio out , VGA and DVI ports need a speaker to get audio out 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.A separate HDMI/DVI/VGA cable is required, not included Automatic detect the display by plugging and unplugging it. Powered from Mini Display Port source.