Organize LED Desk Lamp features a ClearSun LED to match the spectral output of the sun to create a balanced illumination that reduces eyestrain by 51 percent. Light provides smooth, uniform light with a color rendering index of 97 & a maximum output of 410 lumens. Energy-efficient LED is rated to last up to 40,000 hours. Switch between three brightness levels for a personalized experience. Built-in cup keeps your office supplies organized & within reach for an efficient work space. Flexible neck lets you direct light easily. Height adjusts from 11" to 23". Lamp includes a 5-volt, 2.1A USB port to fully charge your phone or tablet.