Diamond Multimedia Ultra Dock Dual Video USB 3.0/2.0 Universal Docking Station with Gigabit Ethernet, HDMI and DVI Outputs Audio Input and output for Laptop, Ultrabook, Macbook, Windows 10, 8.1, 8, 7, XP,Mac OS and Android 5.0 and higher. Display Link Certified, DL- 3900 Chip (DS3900V2) One Simple USB Connection- to your computer, you can have access to large screen displays, stereo speakers, Headset, Mic, external hard drive, optical disk drive, printers, USB keyboard, mouse and other USB devices. All Universal Connection- Provides all connections you need to take your device back and forth to your home or office easily. Connections include: 4 USB 2.0 Ports, 2 USB 3.0 ports, 1 USB 3.0 B Female (Up stream), DVI, HDMI, RJ-45 Gigabit Ethernet Port, 3.5mm Speaker Lineout/Mic input. Dual Video Display- HDMI port supports resolutions up to 2560x1440 with current DisplayLink drivers and DVI/VGA port supports display resolutions up to 2048x1152 / 1920x1200. 2560x1440 output only available when using a single HDMI display. Smart Design- Diamond Ultra Dock Docking Station stays on your desk Horizontally or Vertically to maximize your desktop space. USA Technical Support- Diamond Multimedia with over 30 year experience in Computer Technology offers support via 800 free telephone number and email. Customer Support is available from our home office in Los Angeles, Ca. We offer one year warranty to all our products. Currently Not Supported on Mac OS 10.13.4 Supports Windows 10, 8.1, 8, 7, MAC OS Dual Display 10.13.3, 10.14, MAC OS Single Display 10.13.4, 10.13.5, 10.13.6, Linux Ubuntu 17.10, 17.04,16.04, 14.04, Android 5.0 and later and Chrome OS