The tray measures 38.5cm (length) x 28.5cm (width) x 1cm (height), and has been tested to bear a load of up to 15kg. The matching storage tray can be used to store commonly used items such as microphones, presentations, audio equipment, and cups. The mouse tray, smartphone holder, and storage tray can be easily removed and stored when not in use for easy storage. This laptop tripod supports flexible height adjustment and can be freely set between 69cm and 136cm to meet the needs of different scenarios. The stand comes with a portable handbag, and the lightweight design is easy to move and operate at any time. The stand comes with three silent universal casters, which are easy to move and do not damage the floor. Each caster is equipped with an independent brake to ensure that the stand is fixed in the desired position. Plus the anti-skid pad design, it effectively prevents the device from slipping and provides higher safety. The stand is made of sturdy metal iron, and the coating process prevents rust and scratches. The tray base does not need to be installed, providing excellent support, which can stabilize the load-bearing equipment and improve the overall durability of the stand. The stand is equipped with a mouse tray, which is in line with the habits of using laptops and can effectively reduce arm fatigue. The 180° rotatable smartphone holder ensures that you can find the most comfortable position whether you are sitting or standing, thereby reducing stiffness in the back and neck.