Use free spanner: Use spanner to adjust height and tightness. Ordinary computer brackets will loosen after a long time of use. The wrench provided with us can solve the phenomenon of loosening after long-term use.Mouse pad: We have a special design on both sides, the metal side is made of aviation-grade aluminum alloy, and the PU leather side is carefully designed with small lines. You can choose any side to useWide compatibility: This laptop stand can be used with all 11 to 15.6-inch laptops; it is stable and wont shake when typingKeep your laptop cool: The open aluminum design provides good ventilation and airflow to prevent the laptop from overheatingImproved ergonomics: The ergonomically adjustable design can raise your laptop to the height of the line of sight, providing a comfortable ergonomic viewing experience, relieving the pressure on the neck, shoulders and back, and improving work efficiencyHeight adjustable range: as low as about 50mm, as high as about 300mmBracket sizeFolded state 26822850mm, unfolded state 268215300mmPackage includes: 1*computer stand (silver)Due to manual measurement, there may be a slight difference in sizeBecause the display screen is different, there may be some differences between the color and the actual product, thank you