READ AT NIGHT WITHOUT DISRUPTING SLEEP - Removes 99.95% of blue light, creating a warm candle-like hue ideal for reading with a book, Kindle, or e-reader. This mini reading light helps support your body's natural melatonin production. FULLY RECHARGEABLE - Powered by a 1000mAh lithium battery, this rechargeable book light provides over 30 hours of continuous use on a single 4-hour charge, allowing for uninterrupted reading or work. ADJUSTABLE BRIGHTNESS - Features three brightness settings: 25%, 50%, and 100%, delivering 20, 40, and 80 lumens respectively. Easily customize the light level to suit your environment for a comfortable reading experience. LIGHTWEIGHT AND PORTABLE - Weighing only 70g (2.5oz), the light is barely noticeable when clipped to your e-reader, book, or laptop. Compact design makes it easy to carry and store, ideal for travel and everyday use. PERFECT FOR GIFTING - A great gift choice for readers of all ages. Can be used as a soft ambient light to create a cozy atmosphere, helping children relax and settle into a restful sleep.