- 3 Adjustable Color Temperatures: Choose between 5000K natural white, 3000K warm white, and 8000K cool white to create the ideal reading environment. Easily switch modes by pressing the touch button on the light head. - Customizable Brightness Levels: Featuring 4 upgraded super bright LEDs delivering 25 lumens, the book light allows you to adjust brightness from 100% to 10%. Simply press and hold the touch button to achieve your preferred lighting intensity. - USB Rechargeable: The clip-on book reading light conveniently charges through any universal USB port, such as a computer, power bank, or USB wall adapter. The device operates at a battery output of 0.5W, 3V, 200mA for safe and efficient use. - Flexible Lighting Angle: The LED light head can be rotated 90°, 180° clockwise, and 45° counter-clockwise, while the body can rotate a full 350° to ensure optimal light direction for any reading position. Use Scenarios: - Perfect for bedtime stories: Create a cozy atmosphere while reading to children without disturbing others with bright overhead lights. - Ideal for study sessions: Whether at home or in the library, adjust the brightness and angle for comfortable reading and studying. - Great for travel: Lightweight and compact, this clip-on light fits easily in your bag, making it convenient for use on planes, trains, or in dimly lit hotel rooms. Make reading enjoyable and comfortable with this versatile book reading light, designed to meet your needs for both brightness and flexibility.