Clip Book Light: What is it? It\'s a bendable book lamp that clips to the back cover of your book and arches over the page, giving you enough light to read comfortably wherever you are! About the product This handy light clips onto any book cover and with a spring-loaded clamp, and has a fully adjustable neck. It even has two brightness settings so you can get the perfect amount of light to suit your environment. How is it powered? It has a built-in battery that you charge via USB. How? Just pull the neck off the clamp to reveal its hidden USB port! One 2-hour charge will give you about 6 hours\' of light using both LEDs or 10 hours\' light using one LED. Why you should buy it Finding the perfect amount of light to ready by used to be difficult, until this clip-on book lamp came along. Use it in bed, while commuting, or anywhere you enjoy reading. Order yours now! | Rechargeable Clip Book Light - Black