Gritin 9 LED Clip on Book Light with 3 Eye Protection Modes, Flexible Reading Lamp (Warm & Cool White) – Stepless Dimming, Rechargeable Stepless Dimming & 3 Color Modes: Adjust brightness smoothly from 100% to 10% by long-pressing the button to suit various reading environments. Switch easily between 3 lighting modes by clicking the button: mixed color (all 9 LEDs on), cool white (5 cool white LEDs on), and warm light (4 warm LEDs on). Eye-Protecting Reading Light: Flicker-free, shadow-free, and glare-free illumination provides natural, soft lighting that helps reduce eye strain during extended use. Ideal for nighttime reading without disturbing others nearby. 1000mAh Rechargeable Battery: Built-in 1000mAh lithium battery charges fully in approximately 2.5 hours and delivers up to 80 hours of runtime on the lowest brightness setting. Equipped with 4 LED indicator lights to display remaining battery level. Includes USB charging cable. 360° Flexible Neck & Secure Clip: Fully adjustable gooseneck allows rotation and positioning at any angle. Sturdy, non-slip clip firmly attaches to e-readers, books, desks, shelves, and more. Portable & Versatile Design: Lightweight and stable, this book light stands independently thanks to a non-slip pad on the base. Hands-free convenience makes it perfect for reading, working, traveling, camping, or studying.