The Microsoft Surface Dock Docking Station in black is a new in box unit designed specifically for Microsoft Surface laptops. It features a USB 3.0 port, passive cooling, and a built-in USB port for added convenience. The docking station is compatible with 15-inch laptops, made of rigid plastic, and comes with a 1-year manufacturer warranty. Its compact dimensions make it easy to use and store, providing a sleek and efficient solution for expanding your laptop's capabilities.