This docking station expands your laptop into a desktop in one simple step. Offers universal compatibility with all PC laptops. And with the docking station's four hot swappable USB ports, you can connect your mouse, hard drive and other USB devices without shutting down your laptop. Docking station's 10/100 Ethernet port lets you maintain high speed internet connections and avoid wireless hang-ups. Unit is DVI compatible and you can add a VGA or HD screen to increase your visual workspace and productivity. The DisplayLink DualView provides an easily accessible button that lets you setup the second screen. There's even a "fit to TV" feature. Audio ports enable front and back headphones/speakers and mic ports let you connect both 2.1 stereo speakers and internet chat headset.