Portable Height Adjustable Folding Aluminium Laptop Stand Desk Table, Vented w/ CPU Fans, Light Weight ADJUSTABLE ANGLE ALUMINUM TRAY - desk surface is 20" x 11", has adjustable 45 degree angle of inclination. Light weight (2.0 lb). Built in cup holder for beverages or storing small accessories. HEIGHT ADJUSTABLE AND COLLAPSABLE LEGS - extendable and lock in place at different elevations (9" - 12" tall). Legs rotate 90 degrees to quickly collapse the stand for portability and easy storage. No assembly required. MULTIPLE USES - Table can also be used as book tray, writing desk, TV dinner stand, projector, and tablet holder. Perfect for use in office or at home, indoor or outdoor, on desk, sofa, bed, floor, carpet, lawn, etc. DOUBLE QUIET USB POWERED CPU COOLING FANS - Connect USB cord (included) to your laptop/notebook computer to power the quiet cooling fans. WARNING - less stable at high elevation or when typing too hard.