1??Ergonomic Design: The height and angle of the notebook can be adjusted, so that the computer is not easy to be fatigued for a long time, and it is goodbye to neck pain. 2??Anti Slip Design: There are anti slip rubber pads and protective hooks on the upper and lower surfaces, which can fix the laptop in place and prevent the device from being scratched. 3??Simply Use: No complicated procedures, no tools for adjustment, just gently push or pull, more convenient to use, and the aluminum alloy frame is durable and strong. 4??Ventilation: Easy to absorb and discharge heat. There is an exhaust hole on the surfaces, which can provide more airflow to cool the laptop compared to lying on a table. 5??Wide Compatibility: Suitable for all laptop models and sizes of 11?17.3 inches, such as for Surface Laptop, for Dell XPS, for HP, for Lenovo, for ASUS, etc.