The two flexible goosenecks hold two energy-efficient LEDs that cast a bright white light. And the light can easily be folded for convenient storage. The sturdy padded clip firmly grips music stands and the base can be freestanding. Fantastic For music stands, reading books, kid"s night light, craft work light, camping or fishing, kindle eReader"s, bed reading light, emergency Light and many more uses. Specification: -2 heads and 2 LEDs -Clip style -Flexible arms -Sensor switches on each lighting head -Powered by : (3) AAA batteries or USB cable -100% new -Black color -Packing list: ---1 x double-head led light ---1 x USB cable to support the power ---3 x 1.5V AAA batteries