Easily add an additional display through the USB 3.0 and HDMI connection. Video playback performs at 4K UHD with a resolution of up to 3840 x 2160. Add an additional monitor without adding an expensive, internal video card, avoiding complicated installation. Hot-swappable USB enables you to add or remove monitors without rebooting your system. Move and view your large spreadsheets across two screens without overlapping windows. Multitask with larger landscape/desktop space. Ideal for viewing multiple windows at the same time. Great for multitasking in a wide variety of fields including: Call centers, Stock Markets, Hospitals, Graphic Design, Editing, Accounting, Etc. A must-have for surfing the web and working on your email/Facebook/Twitter accounts all at the same time.