[Wide compatibility]Support all laptops, up to 15.6 inch, compatible with MacBook Air / Pro, Google Pixelbook, Dell XPS, HP, ASUS, Lenovo ThinkPad, Acer, Chromebook, Samsung, tablet and iPad.[Ergonomic 6-layer design]There are 6 height options to correct posture and reduce back pain, neck stiffness, and wrist pain.[Portable and convenient installation]Weighing 0.3kg, can be quickly folded into a slim size. The handbag is easy to carry. It only takes 1 second to open and close.[Stability and durability]The non-slip pads can keep the laptop lifting board stable and protect the surface of the device / desk after placement.[Ventilation and heat dissipation]Good ventilation, can also be used as a heat sink to help heat dissipation or coolant.Also referred to as a laptop coolant.