With the HDMI, DVI and VGA ports, you can connect multiple monitors in HD 1080P to use more real estate allowing you to be the master of multi-tasking. Seamlessly go from one monitor to the other with the high-quality dual video capability of the DS3900V2 docking station. The Diamond DS3900V2 offers unbeatable universal connectivity. A Gigabit Ethernet port, DVI port, HDMI port, four USB 2.0 ports, two USB 3.0 ports, a USB 3.0 Type, Headphones and Mic jack can be used to connect all your USB devices. Expand your view by giving yourself more screen real-estate. Extend and Mirror your PC or tablet and create a more efficient workstation. Enjoy online activities such as shopping and social media, as well as surfing the web or watching your favorite YouTube videos - all while you work. Chipset: DisplayLink DL-3900. Number of displays supported: 2. Max resolution: 2048 ×1152. HDCP: Yes, protected DVI Port HDMI Port Gigabyte Ethernet Port. USB 3.0 Ports x 2 USB 2.0 Ports x 4 USB 3.0 Type Jack 3.5mm Lineout/Mic input. DC Power Jack With one simple cable connection to your computer, you can have access to large screen displays, stereo speakers, external hard drives, optical disk drives, printers, USB keyboard, mouse, and other USB devices. Best of all, you can disconnect your laptop at the end of the day at the office and connect a different DS3900V2 at another location like your home, with a host of different devices connected to it. The diamond DS3900V2 Ultra dock dual video USB 3.0/2.0 Docking Station enables multiple USB devices to be connected to the computer using a single USB 3.0 cable. Now with one Simple cable connection to your computer, you can have access to large screen displays, Stereo Speakers, external hard drive, Optical Disk Drive, printers, USB keyboard, mouse and other USB devices.