USB Led laptop light ( multi-function ) * Light up your notebook anywhere (On the Plane,on buss or in bed.) * Compatible with any notebook or PC. * Easily plug into any USB port on Notebook or PC or use 3x AA battery. * Very flexible neck to adjust to position you wish. * Power saving, LED light is rated to average 8,000 hours of use. * Durable and small enough taking anywhere easily into yr case. * with 12pcs LED / 19pcs LED optional.