With 12 colors temperature and 12 brightness adjustable setting can supply Unique Light For Working Reading Studying Sleep, The Memory Function Retains Preset Setting And Reboots Accordingly.Rotatable Lamp head and Foldable Lamp arm give more comfort  more ways to enjoy yourself. It has 5v 1A USB charging port, which give power for your smart device. LED energy efficiency uses up to 75% less electricity than conventional light bulbs. The LED panel provides a anti-glare, non-flickering, and natural light source. A uniform light coverage that has your eye health in mind.