It is a great solution to cool your laptop while providing a comfortable customizable working surface. We all know that excessive heat harms the performance of any electronic device. Extend the life and functionality of your laptop by providing a constant even flow of cool air to keep your system from overheating. The cooling table supports MacBook Pro, MacBook Air, Chromebook, Ultrabook, netbooks and all laptops up to 17 inches as well as tablets and smartphones. Connect the cooling table to your laptop with the attached USB cable. It measures 12″ x 20.5″ x 2.5″ when folded and 12″ x 20.5″ x 9.5″-12.5″ when open.