Vktech Fun Shape Flexible Metal Tube 13 LED USB Lamp for Notebook PC (Blue) Portable 13 LED USB lamp for laptop PC Light up your notebook anywhere you wish 13 LED light offers soft light bright, flicker-free, average 50,000 hours of use Flexible metal neck can be adjusted in any point of view Safe use of ultra-low voltage input required DC 5V, no noise, low-power