1,Small and lightweight, easy to carry
2,Plugs into any USB port
3,No external power source necessary
4,Perfect for your computer or any small space, our energy-efficient cold cathode gooseneck lamp connects to your computer USB port
5,Thin profile adjustable computer lamp plugs into your PC's or laptop's USB ports
6,Cold cathode fluorescent lighting (CCFL) is very durable
7,CCFL provides much greater luminosity than neon or fluorescent lamps.