USB LED light for laptop or PC. Ideal for working late at night without the main light. Adjustable neck illuminates keyboard while typing. Easily plugs into any USB port, no external power supply needed. Durable featherweight construction and small enough for taking anywhere easily. Power saving design comes with reliable LED light that is rated to average 8,000 hours of use. It's switchless so it remains on until you unplug it from your computer.