Mudder Portable USB Flexible Stick Dimmable Touch Switch LED White Light Lamp for Laptop Computer PC USB lamp with touch switch, just touch the sensor at the end of the stick to turn on/on the lamp, long press the on/off sensor to adjust the brightness level Plugs into any USB port Flexible, snake-like bendable metal neck allows multiple positions adjustable 10-LED lights for maximum illumination Great for the notebook traveler