The USB32HDDVII USB (Universal Serial Bus) 3.0 to HDMI & DVI-I Dual Head Adapter turns an available USB (Universal Serial Bus) 3.0 port into one DVI-I or VGA port (DVI to VGA adapter included) & one HDMI output, with support for high-definition 1080p & 1920x 1200 video & 5.1 surround sound audio (from HDMI port only). The adapter delivers a convenient external video solution that makes it easy to add multi-monitor capability to a USB (Universal Serial Bus)-enabled desktop or laptop computer (optimal performance from USB (Universal Serial Bus) 3.0, backward compatible with USB (Universal Serial Bus) 2.0). Leveraging the high-bandwidth (5 Gbps) Super Speed USB (Universal Serial Bus) 3.0 interface, the USB (Universal Serial Bus) video adapter functions as a convenient external graphics card that eliminates having to open the computer case for video card installation. The adapter delivers smooth, high-definition content to multiple displays & can be used to mirror your primary desktop, showing the same image on each display, or to extend your desktop onto a second or third monitor to double or triple your workspace & increase your productivity.