Designed for those who want a one-stop upgrade for your USB 3.0 or USB-C laptop. The ICY BOX USB 3.0 Dual 4K Docking Station ( US-IB-DK2252AC ) allows you to add dual displays, using DisplayPort or HDMI, and connect your peripherals, all through a single cable back to your laptop. Quickly come and go from your desk with ease. By connecting many devices with just one cable to your laptop, you gain 10 extra ports of connectivity, making it easier to do more work in less time.