Vertical Stand Easily Connected to adapter/monitor/projector etc. and use as a desktop computer. Adjustable Thickness Adjustable range 12mm-26mm, easy to adapt to different thicknesses of laptops. East To Use Knob design can easily adjust the width manually, easy to operate. Keep Your Desk Tidy Easy storage, make more space for the desktop, give you a clean and comfortable office environment. Hollow Heat Dissipation The heating area uses a hollow design to strengthen ventilation and heat dissipation, so as to avoid jams and crashes caused by overheating.