Comfortable Micro-ARC Design: Take Pleasure in the Process Without Being Stupid With its ergonomic ARC design, the desktop expands your horizons by fitting your body's curve and enabling you to work comfortably for as long as you want. It's larger and wider in size. Enjoy A Cozy and Spacious Work Area That Easily Fits Monitors and Notebooks Not Prepared Upgrade To A Textured Carbon Fiber Desktop With Adjustable Light Effect Feel The lights run on a USB or standard charger.