USB-C to Dual HD Portable Dock Get more out of your new USB-C or Thunderbolt 3 laptop with the USB-C to Dual HD Portable Dock. Create a dual HDMI monitor1 workstation to expand your productivity and efficiency. The Portable Dock provides a USB type-A port for use with a keyboard, mouse, hard drive or printer and is the ideal companion for quick, easy connectivity while on-the-go. Mirror or Extend Your Monitors The USB-C to Dual HD Portable Dock allows you to mirror or extend your Windows-based USB-C laptop to two additional monitors or mirror your USB-C or Thunderbolt 3 MacBook to another monitor. When using a Windows USB-C laptop with two other monitors, your laptop screen can be utilized as a third monitor for separate task windows. Brilliant 4K or Dual HD Monitor Setup Experience the remarkable visuals of 4K, at four times the resolution of standard HD. The Portable Dock's dual monitor functionality supports crystal clear video quality to 4096 x 2160 for a higher level of enjoyment while streaming movies, playing video games or working and creating from your office. Get full 1080p HD quality video when using a dual monitor setup.