Features:

HiRise aligns your MacBook or laptop with an external display for the ultimate dual-screen setup.

Non-slip arms hold and protect all size MacBook's or laptops.

Rear piston easily adjusts the height of your MacBook or laptop up to 6 inches for imrpoved ergonomics.

Keeping the base exposed improves airflow and cooling, allowing for a quieter performance.

Made from aluminum for a sturdy stance, and an easy grab-and-go situation. Compatible with all MacBook models.