Multifunctional Book LightIt offers three color temperatures (yellow, warm white, and cool white) and five brightness levels to provide the perfect lighting for your reading needs. The narrow beam angle is designed to illuminate your book brightly without disturbing your partner's sleep. Its lightweight and slim design also doubles as a bookmark, making it a practical addition to your reading routine. 5 Brightness Levels & 3 Color ModesThis book reading light offers 5 brightness levels to suit your reading needs, ensuring that you get the perfect lighting for your eyes. With 3 color modes, you can choose warm or cool light to match your reading environment. Whether you're reading in bed, on a plane, or in a dimly lit room, this reading light provides the ideal illumination. USB Rechargeable & Long LastingOur book lights for reading at night features a built-in USB rechargeable battery, making it easy to charge with any USB port. With a long-lasting battery life, you'll never have to worry about running out of batteries again. A full charge will last up to 80 hours, giving you plenty of time to read your favorite book. Flexible & Portable Design The flexible arm of our book light allows you to adjust the light to any angle, providing you with the perfect lighting wherever you need it. Its compact and lightweight design also makes it easy to carry in your bag or pocket, making it the ideal travel companion. Whether you're camping, traveling, or simply need some extra light for your reading, our book light is the perfect solution for you. Package & Worry-free ShoppingThe package includes a rechargeable book light and a user manual. We offer a 12-month warranty. If you encounter any issues during installation or receive a defective item, please contact our customer service email for a prompt solution. We are committed to resolving any problems within 24 hours.