1. Save Desktop SpaceErgonomic Standing Keyboard Tray with a 26.7inch x 11.7inch platform, which can lift the keyboard and mouse to a comfortable typing position, not only saving desktop space but also allowing for laptop use. And it comes with a soft leather wrist rest, which can relieve hand fatigue during typing and gaming. 2. Height adjustableAdjustable range: 2.1 15.3 inches. Designed with 5 heights, the spring in the keyboard riser can be adjusted in multiple positions. As long as you press the acrylic switch next to it, the height of the table can be easily raised and lowered, and you can immediately switch between sitting and standing, achieving easy office work. 3. Beneficial to human Our Keyboard Riser helps alleviate physical discomfort and fatigue caused by longterm sitting, reducing pressure on the neck, back, and waist. 4. Installation is very simpleJust open the packaging and you can use it directly. The bottom is made of a stable and sturdy metal structure, and the diagonal structure can smoothly support laptops, keyboards, and mice.