Stepless Dimming & 3 Color Modes: 9 LEDs * 3 Colors * Brightness Settings. Press the button to select 3 different color modes: warm white (5 warm color LEDs), cool white (4 white LEDs) and mixed color (all 9 LEDs are on). And long press to adjust the high and low brightness of each color mode ( to 10%), there is always a suitable brightness for you to meet your reading, working needs. Soft LED Light-Protect Your Eyes: The book light adopts non-glare and non-flicker LED light source, which can protect eyes to the greatest extent when reading. Bring you great comfort and prevent eye fatigue. 600mAh USB Rechargeable Battery， You can use the included 1M USB cable to charge at any time. There are 4 indicator lights on the terminal to help you determine the current battery status. 360° Flexible Neck & Sturdy Clip: The 360° flexible silicone gooseneck allows you to adjust the light to any angle you need, providing you with 360° omnidirectional lighting. The dual-use clip can be used independently or clipped to books, Kindles, desks, computers, and beds. The non-slip pads on both sides of the clip can hold the object firmly, saving you from constant adjustments. Portable and Wide Application: The LED reading light weighs only about 64g. It is small and very compact, can be folded, and is very convenient to carry. Whether you are camping or traveling, it is your ideal companion for night use. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.