【Multifunctional Book Light】The narrow beam angle is designed to illuminate the book you are reading in bed without disturbing your partner. It is lightweight and thin and can also be used as a bookmark. 【Adjustable Brightness and Color Modes】The book light offers brightness levels to suit your reading needs, ensuring you get the perfect lighting for your eyes. In addition, with color temperatures, you can choose warm or cool light to match your reading environment. Whether you are reading in bed, on an airplane, or in a dimly lit room, this reading light will provide the perfect lighting. 【USB Rechargeable and Timer Design】Our book lights for reading at night have a built-in USB rechargeable battery, allowing for easy charging via any USB port. When fully charged, it can last up to 80 hours of continuous use. Press and hold the brightness button for 3 seconds to set a 30-minute timer, and pressing any button will cancel the timer setting. 【Flexible and Portable Design】The flexible arm of the book lamp allows you to adjust the light to any angle, allowing you to direct the light exactly where you need it. The compact and lightweight design makes it easy to carry in your bag or pocket, so you can take it with you on the go. Whether you are traveling, camping, or just need a little extra light for your reading, our book lamp is the perfect solution.