【Ergonomic Design】This armrest extends from the edge of the desk, fully supporting and relaxing your arms to improve your working conditions. After many improvements, the best ergonomic solution has been prepared, which can greatly relieve pain in the neck, shoulders, arms and wrists, and reduce elbow strain by up to 90%; 【Easy to Install】Pre-assembled, just screw on the screws to complete the installation preparation in a few minutes. Butol maal supports quick installation and disassembly, and can be converted into a variety of scenes. The installation method without drilling ensures that your desktop remains intact; 【Durable and Sturdy Structure】The armrest is covered with a thick high-density foam fabric pad, which is super soft and comfortable against the skin. It adopts a stainless steel K-type double support frame, which is very sturdy and durable; 【Foldable and Rotatable】This computer desk extension tray is designed to be foldable and rotatable. It will move with you when in use, and can be folded 90 degrees for storage when in use, perpendicular to the desktop and taking up space. It can be used with both hands, effectively relieving the pressure on the shoulders and arms; 【Versatile Applicability】Whether it is used in the office or at home, this armrest is an ideal choice. It not only improves the comfort of work, but also reduces the physical discomfort caused by long-term work. Suitable for various occasions where computers are used for a long time or delicate operations are required, helping users maintain a good posture and improve work efficiency;