Multi-function stand - Accommodates displays, laptops, mobile phones, and tablets and raises them to an ergonomic and comfortable position. Built-in USB hub - 2 USB Type-A ports and 1 USB Type-C port supports USB Battery Charge specification v1.2, with 5V/1.5A per port output and 18W total output shared among the 3 ports (requires connecting to the included power adapter) and USB 3.0 5Gbps data transfer (requires connected to a laptop/computer). Adjustable width - Provides flexibility and allows you to place many different sized devices on top and storage underneath to save valuable desk space. Built-in mobile phone and tablet stands - Dual folding / retracting trays mount your portable gadgets off the desktop in a comfortable ergonomic position. Compact and sturdy - Supports load capacity up to 55 lbs. Anti-slip pads - Enhances stability and protects your work surface from scratches.