Laptop/notebook raiser raises your screen to eye level to prevent neck strain. Supports up to 17" laptops weighing up to 13 lb. Three height adjustments allow most comfortable keying position, or you can use a separate keyboard. Built-in four-port USB hub keeps all your devices connected. Triangular design fits neatly in desk corners. Large accessory tray holds personal electronics and other items. Vented to aid cooling. Folds flat to fit in most briefcases.