Create Instant Active Standing: Sitting too long is dangerous for your health, Tounees 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