Volkano Port Series DisplayPort to 4K HDM 10 cm Adapter (Black)

Under mirror mode, you could view your laptop or desktop screen on an external display or projector. Play your favorite games or watch movies on TV easily. Under extend mode, you could connect a second display to your computer, giving you a larger desktop on which to work on. With extend mode using presentation software, you can also show your slides on a second display, while your primary display keeps your notes and previews your next slides.