Gradient and 3 color modes: 9 LED * 3 colors * brightness adjustment.Press the button to select 3 different color modes: warm white (4 warm white LEDs), cool white (5 white LEDs) and mixed color (9 LEDs on).Long press to adjust the high and low brightness (100-10%) of each color mode, there is always a suitable brightness for your reading and working needs.Soft LED lamp - protect your eyes: The book lamp features a glare-free and flicker-free LED light source for maximum eye protection while reading.Brings you great comfort and prevents eye fatigue.1000mah USB Rechargeable Battery with Indicator: The LED book light features a high-performance 1000mah rechargeable battery that can last 5-7 hours on high brightness and up to 80 hours on low brightness.You can charge it at any time with the included 1m USB cable.There are 4 indicators on the terminal that will help you determine the current battery status.360° Flexible Neck and Sturdy Clip: The 360° flexible silicone gooseneck allows you to adjust the light to any angle you want, giving you 360° omnidirectional lighting.Dual-use clips can be used independently or attached to books, kindles, desks, computers and beds.A non-slip mat for two peopleThe clip tee can firmly fix the object, avoiding constant adjustment.Portable and widely used: The LED reading light weighs only about 64g and is small in size, very compact, foldable and very convenient to carry.Whether you are camping or traveling, it is the ideal companion for nighttime 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.