This desk lamp is compatible with both your Google Home or Amazon Alexa device to voice control your lamp including on/off, color temperature mode and brightness level. Your eyes will say YES to the crisp ClearSun LED illumination that reduces eyestrain by 51%. The Command is fully customizable with 5 brightness settings, 3 color temperature modes, 2 points of articulation and a rotating shade. Plus, the 5V, 2.1A USB port lets you fully and quickly charge your devices.Details:WhiteExtends from 17.75" to 29"Maximum of 510 lumensLED lighting5 brightness settings; 3 color temperature modesReduces eyestrain up to 51%Includes USB charging portCompatible with Google Home and Alexa voice control