LED Desk Lamp with USB charger. By Ottlite USAn5 Brightness Settings. 3 Colour temperaturesnThe perfect LED task light that color your world. The Ottlite LED Desk Lamp comes with Color Changing Tunnel.nThe base glows either in the color of your choice or cycles through the entire light colourspectrum.nThe ultra bright white LEDs are adjustable to 3 colour temperatures and 5 lumen output settings. The maximum lumen output is 500lumen. The diffuser provides smoot and uniform light. The flexible rubber support is 24cm long and provides natural light wherever you need it.nThe built-in 5V, 2.1A USB will charge your smartphone and tablets any time you turn your LED lamp on.nThe ideal LED task light for bedrooms, offices, dorm rooms. You can increase your productivity and have a “feel good” effect with the OttLite desk lamp.nProduct FeaturesnTunnel base glows in color of your choice or cycles through spectrumn5 brightness settings with maximum of 500 lumensn3 color temperaturesn5V, 2.1A USB port fully charges phones, tablets and moren9.5 inch (24.13 cm) shade provides wide area illuminationnFlexible rubberized neck, silver accents and sleek glossy finishnSuper bright natural daylight LEDs rated to last up to 40,000 hoursnThe energency consumption of this lamp is only 8watt.