uxcell 18 LED USB Light Notebook Desk Lamp w. Goose Neck Made of durable plastic and alloy material, 18 LED USB Light using 18 LED bulbs as light source. Small, flexible neck and extremely light weight Notebook Desk Lamp; Insert directly into any available USB port on the notebook or PC. Goose Neck USB Lamp is convenient to use. Flexible neck makes it easy to turn the light to any angle; Base Dimension: 3 1/2 inch in diameter Cable length: 44 inch; Base Dimension: 3 1/2 inch in diameter; Package Includ:1 x USB LED Light;1 x USB Cable