J-Tech Digital &Acirc; USB 3.0 Superspeed Universal Laptop Docking Station with Dual Video outputs DVI/HDMI up to 2048 x 1152, Audio, Gigabit Ethernet, 2 USB 3.0 + 4 USB 2.0 Multifunction devices collection:Only a USB3.0 cable, your computer can connect most computer peripherals. Eliminate connection or disconnection of the complexity of computer peripherals. As a battery charger: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. Multi-port connector:Support for several additional USB display units. HDMI, VGA and DVI monitor ports support display resolution up to 2048 x 1152. Video: Extended Desktop Mode, Mirrored Desktop Mode and Primary Mode. Audio: Headset and microphone input. 5.1 Channel surround sound through DMI interface Network: A USB 3.0 Gigabit Ethernet network port supports IEEE 802.3, 802.3ab and full duplex operation with IEEE 802.3x flow control. Free lifetime technical support from the manufacture and free 1 Year Manufacturer Warranty from J-Tech Digital.