TAA compliant 4K USB docking station Dual monitor Universal Laptop Docking Station with HDMI and DP Universal docking station with DisplayPort and HDMI Achieves up to 3840 x 2160p with 4K Ultra HD DisplayPort Achieves up to 2048 x 1152 with HDMI Connect more peripherals with three USB 3.0?dock ports?- Connect headphones, microphones or USB drives Charge tablets or phones with the USB fast-charge port USB 3.0 dock has built-in 10 / 100 / 1000 Mbps compatible RJ45 Ethernet port