Additional Details ------------------------------ Product description: 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 Connect dual monitors (HDMI and 4K DP) to your Mac or Windows laptop. Achieve a higher resolution with up to 3840x2160p on a single display. Maximize your display capabilities with dual displays at 2048x1152p resolutions. Connect more devices with 4 x USB 3.0 ports. Charge your mobile devices with built-in USB fast-charge port.