* No external power supply is needed * Switchless USB LED light. Remains on until you unplug the USB LED light or turn off the laptop or PC * Gently adjust the flexible neck of USB LED light to position the flylight anyway you wish * Power saving design comes with reliable LED light. LED light is rated to average 8,000 hours of use * Plug and play, directly plug the USB LED light into the USB port on your laptop or PC * Durable featherweight construction and small enough for taking anywhere * It fits into your case as easy as it fits your style