Actpe 4 In 1 Mini Display Port Thunderbolt to DVI VGA HDMI Audio Adapter Cable with Micro USB Port for Apple MacBook, MacBook Pro, MacBook Air, iMac, Mac mini, Mac Pro Support VGA/Audio/HDMI/DVI 4-in one output with the max resolution of 1920x1200 (VGA) to meet your various needs. Less money but powerful function. This adapter is able to connect a Mini Display Port (thunderbolt port) to display content on your HDTV, monitor or projector (external speaker needed for voice) with Audio pass through.Watch and listen to your favorite movies, YouTube clips, or iTunes songs and movies with this mini dp adapter cable. Support external power supply. When you need to connect high power devices or the device is in low battery, it is viable to turn to External Power Supply to charge your adapter. Automatic EDID function. It has an auto EDID that adapts to maximum resolution depending on user's display.If a user has 720p HDTV it will read the EDID and adjust Mini Displayport output automatically. It adopted aviation polyethylene materials shell to accomplish exquisite and wearable idea. Setting high density metal shielding layer, it effectively avoids the external electromagnetic interference to ensure high quality. Output high definition video and stereo sound with high-performance digitized chip. Using this Mini Display Port adapter, you can share the video and audio in your devices with your friends and family to enjoy a crystal clear and shocking scene with beautiful sound. It helps you to make your family cinema dream come true.