NeckDoctor forLAPTOPS provides pneumatic height adjusting mechanism to heights 1.5″ all the way till 16″ to suit your body height and comfort best at your home, office or workplace. The gas spring mechanism is a hydraulic based modern feature used to create smooth and quick transitions between sit and stand mode so you can use it very efficiently as a laptop holder, laptop stand for desk, laptop table for bed and multi-purpose laptop table.