Add ambient lighting to your computing atmosphere with a USB Powered LED strip. This add-on LED lighting promotes relaxation and calmness for your work or gaming area. In addition it serves as a low power solution back-light. When using a computer int he dark, the extreme brightness of the monitor can damage the eyes due to contrast of the light and dark. With an LED back-light the contrast is dramatically reduced making computer usage safe and comfortable. Save energy by using LED instead of a standard desk lamp for use as a back-light. This product is available in 5 colors, blue, red, white, green, and yellow.This item uses 5V power and required a standard USB 2.0 or 3.0 port.