USB 3.0 Universal docking station · USB3.0 or USB2.0 compatibility. · Resolution Single Head up to 2048 x 1152 / Dual Head up to 2048 x 1152. · Primary / Extend / Mirror Video Mode. · Expandable up to 6 Display units. · Supporting DVI-I / HDMI / VGA. · Build in USB3.0 Gigabit Ethernet Adapter. · Build in Audio Mic in and Line out. · Build in 2 x USB3.0 ports(with one port for smartiphone charging function). · Build in 4 x USB2.0 ports.