Work in an activity way with this ergonomic sit stand desk!The mobile standing desk allows for seamless height adjustment from 27.5"" to 42.5"". The sit-stand alternation is designed to relieve various problems caused by sedentary work style, such as backache, neck or shoulder pain. Equipped with 4 lockable wheels, this rolling laptop desk offers the flexibility to move across your workspace. Supported by H-shaped metal base and reinforced with sturdy aluminum tubes, the height adjustable computer desk boasts reliable structure. For added convenience, the space-saving C-shaped design makes it fit snugly with the sofa or bed edges.