Height Adjustable: Set ideal laptop screen position; Mounts lower on monitor arms with VESA 75x75 mm pattern to achieve ergonomic viewing height; monitor arm not included. Wide Compatibility: Fits 12 to 17 in laptops; Tool-free extendable tray design accommodates various sizes; supports laptops with lids that open up to 120°. Efficient Cooling: Keeps your device ventilated; Large mesh platform allows passive airflow to help prevent overheating during extended use. Fan Ready: Supports active cooling upgrade; Built-in standoffs with screws support 120 mm x 25 mm PC fans for enhanced airflow; fan not included. Space-Saving Design: Foldable tray platform; Easily folds up to reclaim desk space when the tray is not in use.