Compact and foldable to fit all desks. Full-spectrum lighting mimics natural daylight and reduces eyestrain. Three adjustable colour temperature nodes for relaxing, reading and tasks. Includes 3' USB charging cord (no adaptor). 4.5W. 180 Lumens. 3000-6500K. Built-in 1200mAh battery for mobile and emergency usage (lasts up to 3 hrs). White.