5 brightness levels & 3 colour modes The reading lamp offers 5 brightness levels to suit your reading needs, so you can get the perfect lighting for your eyes. And with 3 colour modes, you can choose warm or cool light to suit your reading environment. Whether you're reading in bed, on a plane or in a dimly lit room, this reading lamp provides the ideal lighting. Lightweight design It measures 10.5*3.4*1.7 cm and weighs only 55 grams. It folds completely flat and has a slim profile, perfect for carrying in your bag. Flexible and portable design The flexible arm and head of the book lamp allow you to adjust the light to any angle so you can direct the light exactly where you need it. The compact and lightweight design makes it easy to carry in your bag so you can take it with you on the go. Whether you're travelling, camping or just need a little extra light for reading, our book light is the perfect solution. Timer function The rechargeable USB reading light can be set to half an hour to easily control your reading time. The reading light can also be used as a bookmark or mini torch. Provides ideal lighting. USB Rechargeable & Durable Our reading lamp is equipped with a built-in USB battery, so you can easily charge it via a USB port. Never worry about the batteries running out again, as this reading lamp lasts up to 80 hours on a full charge, giving you plenty of time to read your favourite book. Super long battery life: USB rechargeable as standard. 80 hours of reading time on the darkest setting, perfect reading light for the night. Compact mini size: simply switch off the book light and fold it up as a bookmark. The design is compact and easy to carry in your bag. Multifunctional book light: This reading lamp book clip offers three colour temperatures (yellow, warm white and cool white) and five brightness levels. Eye protection: The narrow beam angle is designed to illuminate the book you are reading in bed without disturbing your partner. Timing function: Press and hold the button for 3 seconds to activate the 30-minute timing mode. Each button can be cancelled.