The Command LED Desk Lamp delivers a healthy choice, convenience and smart technology. Pair with your Google Home or Amazon Alexa device for voice-control your lamp, including on/off, color temperature mode and brightness level. OttLite's ClearSun LED technology that reduces eyestrain by up to 51 percent. This exclusive LED comes as close to the sun's spectral output as you can get, providing smooth, balanced illumination with no big blue spikes that cause eyestrain and fatigue. The Command is fully customizable with five brightness settings, three color temperature modes, two points of articulation and a rotating shade. Wellness lamp delivers smooth, uniform light with color rendering index (CRI) of 97 and maximum output of 510 lumens. Energy-efficient LED is rated to last up to 40,000 hours. Lamp adjusts in height from 173/4" to 29" and includes two points of articulation and rotating shade. The lamp's 5-volt, 2.1A USB port lets you fully and quickly charge your devices.