This popular classic counterbalance design just got even more beautiful with the addition of OttLite ClearSun LED technology that reduces eyestrain by up to 51%. Finished in black with antique brass accents, the Balance LED Desk Lamp is a perfect fit for any study, office, living room or bedside. And, you’re in complete control with this fully customizable lamp – adjust the light angle at arm and shade, change the color temperature (ClearSun natural daylight, bright white and warm white), and select from three brightness levels. Plus, the 5V, 2.1A USB port lets you fully and quickly charge your devices. Details: Black with antique brass accents6" base diameter Height adjusts from 4" to 18" with long 10" arm (from pole to shade) Includes 5V, 2.1A USB port to fully charge smart phones and tablets Maximum lumen output of 428 Proprietary, exclusive OttLite ClearSun™ LED – reduces eyestrain by 51% Provides smooth, uniform light with Color Rendering Index (CRI) of 97 3 color temperature modes Memory feature remembers your last setting for color temp 3 brightness settings with touch controlsTwo-tone metal design with adjustable shade and counterbalance arm to lock lamp in desired position Energy efficient LEDs rated to last up to 40,000 hours