NLC USB 13 LED Flexible Light Lamp for Laptop Pc Notebook Plug and Play Small enough to take anywhere, it fits into your case as easily as it fits your lifestyle USB bus powered, no external adapter or batteries needed For use with any USB compatible computer ( any version ) Flexible stainless steel neck lets you position it any way you like Just plug it in USB port and it will light up immediately Very good for using in dark without disturbing your roommates