5 brightness levels & 3 color modes: The reading lamp offers 5 brightness levels to suit your reading needs, providing 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 lamp delivers ideal illumination. Lightweight design: The lamp measures 10.5 x 3.4 x 1.7 cm and weighs only 55 grams. It folds completely flat and has a slim profile, making it easy to carry in your bag. Flexible and portable design: The flexible arm and head allow you to adjust the light to any angle, directing illumination exactly where needed. The compact and lightweight build makes it convenient to carry anywhere. Whether traveling, camping, or needing extra light for reading, this book light is a practical solution. Timer function: The rechargeable USB reading light can be set for 30 minutes to help manage reading time. It can also be used as a bookmark or mini flashlight, providing reliable illumination. USB rechargeable & durable: The reading light features a built-in rechargeable battery that can be charged via any USB port. Enjoy up to 80 hours of use on a full charge, offering long-lasting performance for extended reading sessions.