Description/Multi-Functional Design: This 3-in-1 Joyroom vertical stand serves as a versatile storage bracket for laptops, tablets, and mobile phones, enhancing your workspace efficiency. Adjustable Width: Features an adjustable dock ranging from 10-40mm, equipped with a mechanical knob for precise and convenient width adjustment. Stable and Secure: The stand's stable base design ensures a more stable center of gravity, while the all-round protective silicone padding prevents scratches and enhances device stability. Enhanced Cooling: Elevates your devices to allow more airflow, facilitating better cooling and extending device longevity. Universal Compatibility: The adjustable knob makes it compatible with most devices, including all models of MacBook, Surface, Samsung, HP, Dell, and Chromebooks.<br><br>Compatible thickness: 10-40mm thick laptops and other devices Applicable models: 10-18 in laptops Due to different batches, there may be differences in product appearance and printed text, which will not affect use Colour:Black Material:ABS+PC, aluminum alloy, silicone<br><br>Package Contents: 1 x Notebook bracket<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.