·3 Modes & 5 Brightness： The book light has 3 different reading modes: amber, natural, and cool white. Amber mode filters 99.9% of blue light to protect your eyes and reduce eye fatigue. And with 5 adjustable brightness modes, you can choose the most suitable brightness according to your needs.

·Timer Function: The reading light has a 30/60 minute timer, perfect for bedtime reading. Turning off the light at regular intervals will stimulate the human body's accurate sleep biological clock and develop good sleep habits.

·Compact & Portable: Weighing less than an egg, the book lights for reading at night are only the size of your palm when fully expanded. Makes it easy to carry when you are on the go, and easy to read on the train, plane, or car.

·Flexible Book Light: The head of the reading lamp can be rotated 90° to the left and right and 45° downwards. 225° The flexible bracket can be bent to any angle. You can freely adjust the angle to get comfortable lighting for books of all sizes.

·Long Lasting & Rechargeable: This rechargeable book reading light has a built-in 500mAh battery that provides 10-80 hours of reading time depending on the brightness mode. With a built-in USB charging port, it is easy to charge, just plug it into a power bank, laptop, mobile phone adapter, car charger, etc.

Adjustable Angle: The lamp head rotates 90 degrees left and right as well as 45 degrees downward and 225 degrees open bend.

Sturdy Clamp: soft edges prevent paper cuts and hold paperbacks or hardbacks securely.

Long-lasting: The reading light for bed has a 500mAh battery that provides 8-100 hours of reading time (depending on your settings).