About this item Protect Your Eyes: KTEBO book light features 10 LED light beads with adjustable color temperature and brightness levels, providing soft light that won't harm your eyes and ensuring that you can read without disturbing anyone. Convenient Reading: The sturdy clip on the reading light makes it easy to attach to books, tablets, or kindles, while the 360 bendable gooseneck allows you to direct the light where you need it. Save Money and the Environment: With a rechargeable battery that provides up to 40 hours of use on a full charge, you can save the cost of buying batteries as well as reduce environmental waste. (Type-C cable included) Lightweight and Portable: Weighing only 1.3 ounces, the book light is incredibly lightweight and easy to carry in your pocket or backpack, making it perfect for travel or commuting.