- Eye-Friendly Lighting: Designed with a color temperature of 3000 K, this LED book light provides a soft warm white glow that blocks 99.95% of blue light, effectively protecting your eyes during extended reading sessions. - Easy One-Button Operation: Measuring 10.5 x 4.7 x 1 cm / 4.13 x 1.85 x 0.39 inches, the lamp features a user-friendly one-button control for convenient operation. Quickly switch between two brightness levels (50% and 100%) with a short press, and turn it on or off with a long press. - Convenient USB Charging: This book light is equipped with a USB charging port, allowing for simple plug-and-play functionality. Connect it easily to a USB power supply, PC, power bank, or laptop without the need for additional cables. - Versatile and Flexible Design: The lamp's holder rotates 350° for customizable positioning, while the light head can pivot 180° clockwise and 90° counterclockwise to direct light precisely where you need it. The integrated clip allows you to attach it securely to books or use it as a bookmark. - Practical Use Scenarios: Ideal for late-night reading sessions in bed, studying in dimly lit environments, or enjoying your favorite book while traveling. Its compact size and flexible design make it a perfect companion for any reading enthusiast.