Kensington 60148 USB 2.0 Universal Laptop Docking Station (PC/Mac) Converts laptops to desktop computers in seconds, without a formal docking station Built-in 4-port USB 2.0 hub provides 1-time connection for computer accessories Adjustable screen height, tilt, and swivel for optimal viewing and ergonomic comfort Built-in copyholder positions documents in line with the screen for easier viewing--easier than a docking station Works with USB Macs or PCs with screens under 16 inches diagonal