Ergonomic design: Extend the desk horizontally, fully support the arms to relax the upper limbs and improve working conditions. Improve the design many times to find the best ergonomic solution. �Spacious installation� You can fold it up when you don’t need to use it, saving space. When you use it at work, you can place more items such as keyboard, laptop, mouse, etc. to increase the use space. Better Compatibility: This expansion card is better compatible with common right angle desktop computers than similar products in the market. Whether on the side or front of the desk, it can be perfectly connected.