Features: Weight:18g Color: Black Length: 38cm/14.9inch Light weight and portable It is also a good idea as a gift Powered through USB socket Good for protecting your eyes The neck can be adjusted to fit for you Power saving, environmentally friendly Stylish design, suitable for laptop and desktop. Material: ABS plastic + LED lamp + metal USB socket LEDs are rated to last about 50,000 hours of use and consume little power. It won't take up much space in your laptop case, and is perfect for illuminating your keyboard. NOTE: Item Measure by hand, it could be 1-2cm different (1inch=2.54cm) Package include: 1 X Portable USB LED Light Lamp