USB LED flexibly lamp light for laptop pc notebook Directly plug the USB LED LIGHT into the USB PORT on your NOTEBOOK or PC. No external power supply is needed. Just easily turn on your NOTEBOOK or PC to power the USB LED LIGHT Gently adjust the flexible neck of USB LED LIGHT to position the fly-light anyway you wish. Durable featherweight construction and small enough for taking away easily. It fits into your case as easy as it fits your style. Length: 35cm