• Support for several additional USB display units. HDMI, VGA and DVI monitor ports support display resolution up to 2048 x 1152/1920 x 1200. Video: Extended Desktop Mode, Mirrored Desktop Mode and Primary Mode. Audio: Headset and microphone input. 5.1 Channel surround sound through DMI interface 
• 4 USB 2.0 ports fulfill all USB 2.0 devices such as scanner, digital camera, keybord, mouse, printer, ect 
• 2 USB 3.0 ports for super transfer speed up to 5 Gbps. One fast charging port can charge your iPhone,Samsung and other smartphones(does not charge iPad, tablets and laptops). Charging current up to 1.5A 
• A USB 3.0 Gigabit Ethernet network port supports IEEE 802.3, 802.3ab and full duplex operation with IEEE 802.3x flow control 

Includes power & USB connecting cords