Connect your mac or pc to a vga display and a discrete 3 5mm audio output mini display port to vga mdp to vga mini dp to vga converter mini display port to vga adapter with audio 1920x1200 or 1080p connect mini display port to vga with sound substitute a damaged or blocked audio port by connecting your audio directly through the adapter group your vga and audio ports together compatible with various tablets and laptops such as the microsoft surface pro 3 and the apple mac book air