[Eight Adjustable Gears] 8 height settings allow you to elevate your laptop to an ergonomic viewing height，relieving neck and back pain. The height of the first gear is 12 cm (4.72 inches), the highest height is 18.5 cm (7.28 inches). [Design Ventilated Cooling] The hollow back design of our stand increases the airflow going to your device and consequently helps to prevent overheating and always keeps your laptop in perfect working order. < /p> [360 Degree Swivel Base] This adjustable laptop stand with a 360° swivel base lets you easily communicate and share your screen with others by gently rotating the computer. [Phone Holder] You can use the phone easily when working. [Lightweight and Portable] The thickness of the stand is only 2.2 cm (0.87 inch), can be folded and carried.