1、BROAD COMPATIBILITY: This portable laptop stand is compatible with laptop, tablet, sketch board of for OS X notebook, for OS X all in one computer, for iOS tablet, for Pr ThinkPad, and more 2、6 LEVELS OF TILT ADJUSTMENT: Non slip feet keep your laptop and light box in place and protect any panel placed on. Avoid unnecessary skidding in the course of drawing, typing, reading. Adjustable laptop stand can lift the laptop to your eye level from 26 to 30 degrees and optimize your posture and prevent neck pain and eye stress 3、SAFE AND STRONG HEAT DISSIPATION: Mesh metal ventilated laptop or for A3 light box stand help to keep your laptops or light box running cooler to help prevent hardware damage. Ventilated laptop stand help keep laptops running cooler to help reduce crashes, sturdy laptop holder can support weight 12kg 4、FOLDABLE AND PORTABLE: To accommodate and fix different thickness laptop, the adjustable studs where the laptop sits can be pulled up. Very light, which is perfect for all types of travel. From leisure to business, can be easily stored flat in suitcases, backpacks and even handbags 5、ERGONOMIC DESIGN: Adjustable desk laptop stand provide a comfortable viewing angle and reduce strain on neck and shoulders for you, useful and practical