The light is bright and eco-friendly. It can be used anywhere, anytime, and anyhow. It is simple to use.It is simply powered through a USB cable.You can plug into a USB charger or into a power bank.This lamp is made up of LED which saves energy. The highest quality energy saving LEDs provides efficient non-flickering natural warm light for stress free productivity and enjoyment.It has a small switch for on/off.?The sleek, modern, adjustable and flexible metal gooseneck provides great light at any position and angle where you want it.The strong clamp holds firmly unto any surface which allows for great versatility; mount to tables, desks, shelves, bedframe, nightstand, dorm room furniture & accessories, home office tables, bedroom desks, or study areas.Excellent for college and university students who needs small footprint lights for reading and studying.It is lightweight. Easily folded and portable to carry about.