Create Instant Active Standing: Sitting too long is dangerous for your health, Tounee’s ergonomic laptop stand provides on-demand standing throughout the long work day, says goodbye to long hours of sitting, helps to relieve muscle tension, reduces stress, and increases productivity. | Promote Healthy Sit-Stand Working Posture: This sit-to-stand laptop riser can elevate your laptop screen to a comfortable angle and height while sitting or standing. You can easily switch sitting and standing posture by a simple telescoping button, which helps you develop healthy sit-stand working postures and relieve neck and shoulder pain | 360°Rotating Base: This standing computer stand not only offers an adjustable height range of 2.1" to 21", but also can be rotated 360 degrees, the turntable at the base rotates smoothly, so you can freely move your laptop screen via a light force when you are doing chats with work, ideal for face-to-face use. | Large Base, Enhanced Stability: This solid-built laptop riser is constructed with high-quality aluminum alloy. The large heavier base makes it super sturdy to support up to 22lbs, and two pivot joints make the laptop stand for the desk two times stronger than other single pivot joint stands. | Space Saving&Widely Compatibility: This stand for laptop doesn’t take up a lot of desk space and can be folded up for easy storage. Widely compatible with all laptops from 10" up to 17", such as Mac MacBook Pro 14 16 inches 2021 Air 12 13 13.3 15 17 inches 2017 2018 2019 2020 Microsoft Surface Google Pixelbook Dell XPS HP Acer Chromebook and more 11inch - 17inch laptop notebooks.