Qooltek Touch Switch Flexible Twistable Metal Wire USB LED Stick Light for Laptop Desktop Computer Studying and Playing Games at Night This LED light can be powered from any available PC port on your laptop or DC inverter. The portable size of the light makes it easy to carry with you wherever you go.The slim stick-like design makes it easy to slide down into a backpack or carrying bag. Low power draw makes it a long-lasting light solution. It features 10 LED bulbs that draw only a single watt of power via a USB port. Flexible metal wire allows multiple positions, giving you an efficient light source wherever you need it. The stylish new environmentally friendly design.