Closed clamshell mode lets you turn your Apple MacBook into a luxury desktop dock with the addition of a monitor and accessories (sold separately) Integrated cable catch keeps connections handy and accessible Elevate your MacBook, reducing desk clutter and protecting it from spills Modern aluminum design delivers improved airflow and optimised video performance with your external monitor (sold separately) Dimensions: Width: 9.14cm (3.6"); height: 5.59cm (2.2"); depth: 21.49cm (8.46")