Mini DisplayPort to DVI/HDMI Adapter LineYDI, mDP/Mini DP (Thunderbolt Port Compatible) to DVI/HDMI Male to Female Adapter Converter - 4K/1080P High Definition (miniDP to HDMI/VGA/DVI) Multi-function mini DP / Thunderbolt port adapter with audio output: Polyethylene shell, wear - resistant;High density metal shield layer,effective shielding of external electromagnetic interference;High-purity copper core & high-performance digital conversion chip, fast signal transmission, the screen clear and delicate. Support for three screen of up to 1920  1200 /1080P (Full HD) resolution audio / video output. HDMI / VGA / DVI three monitors free conversion, to meet your different needs; (Note: The need for a separate HDMI / DVI / VGA cable (not included)) Fine gold-plated process, hard, wear-resistant, anti-corrosion, extend the service life and improve signal performance;Thin connectors do not block adjacent ports on your computer,Ergonomic design of the tread, easy to plug and remove. You can connecting an external power supply to charge your adapter via the Micro B-5V power port when connected a high-power device or low power. Applies to:all device or monitor equipped with a Mini Displayport interface (MacBook / MacBook Por / MacBook Air, Apple iMac 21.5 / 27 inches, Windows Sruface Pro ThinkPad X1, Dell xps 14z) connected to HDTV, monitor, projector, LCD display with HDMI / VGA / DVI / Audio port ; Easily display and share your videos, photos, games and more on screen, perfect realization of large-screen high-definition conversion.